fix displaying filtered notifications (#4535)

```
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference
       at com.keylesspalace.tusky.adapter.StatusBaseViewHolder.setupFilterPlaceholder(StatusBaseViewHolder.java:894)
       at com.keylesspalace.tusky.adapter.StatusBaseViewHolder.setupWithStatus(StatusBaseViewHolder.java:825)
       at com.keylesspalace.tusky.adapter.StatusViewHolder.setupWithStatus(StatusViewHolder.java:91)
       at com.keylesspalace.tusky.components.notifications.StatusViewHolder.bind(StatusViewHolder.kt:46)
       at com.keylesspalace.tusky.components.notifications.NotificationsPagingAdapter.bindViewHolder(NotificationsPagingAdapter.kt:150)
       at com.keylesspalace.tusky.components.notifications.NotificationsPagingAdapter.onBindViewHolder(NotificationsPagingAdapter.kt:143)
       at androidx.recyclerview.widget.RecyclerView$Adapter.bindViewHolder(RecyclerView.java:7847)
       at androidx.recyclerview.widget.RecyclerView$Recycler.tryBindViewHolderByDeadline(RecyclerView.java:6646)
       at androidx.recyclerview.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:6917)
       at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:6757)
       at androidx.recyclerview.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:6753)
       at androidx.recyclerview.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2362)
       at androidx.recyclerview.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1662)
       at androidx.recyclerview.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1622)
       at androidx.recyclerview.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:687)
       at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:4645)
       at androidx.recyclerview.widget.RecyclerView.dispatchLayout(RecyclerView.java:4348)
       at androidx.recyclerview.widget.RecyclerView.consumePendingUpdateOperations(RecyclerView.java:2106)
       at androidx.recyclerview.widget.RecyclerView$1.run(RecyclerView.java:468)
       at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1231)
       at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1239)
       at android.view.Choreographer.doCallbacks(Choreographer.java:899)
       at android.view.Choreographer.doFrame(Choreographer.java:827)
       at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1214)
       at android.os.Handler.handleCallback(Handler.java:942)
       at android.os.Handler.dispatchMessage(Handler.java:99)
       at android.os.Looper.loopOnce(Looper.java:201)
       at android.os.Looper.loop(Looper.java:288)
       at android.app.ActivityThread.main(ActivityThread.java:7872)
       at java.lang.reflect.Method.invoke(Native Method)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)
```

app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationsPagingAdapter.kt

@@ -29,7 +29,9 @@ import com.keylesspalace.tusky.databinding.ItemReportNotificationBinding
 import com.keylesspalace.tusky.databinding.ItemStatusBinding
 import com.keylesspalace.tusky.databinding.ItemStatusNotificationBinding
 import com.keylesspalace.tusky.databinding.ItemStatusPlaceholderBinding
+import com.keylesspalace.tusky.databinding.ItemStatusWrapperBinding
 import com.keylesspalace.tusky.databinding.ItemUnknownNotificationBinding
+import com.keylesspalace.tusky.entity.Filter
 import com.keylesspalace.tusky.entity.Notification
 import com.keylesspalace.tusky.interfaces.AccountActionListener
 import com.keylesspalace.tusky.interfaces.StatusActionListener
@@ -77,7 +79,11 @@ class NotificationsPagingAdapter(
             is NotificationViewData.Concrete -> {
                 when (notification.type) {
                     Notification.Type.MENTION,
-                    Notification.Type.POLL -> VIEW_TYPE_STATUS
+                    Notification.Type.POLL -> if (notification.statusViewData?.filterAction == Filter.Action.WARN) {
+                        VIEW_TYPE_STATUS_FILTERED
+                    } else {
+                        VIEW_TYPE_STATUS
+                    }
                     Notification.Type.STATUS,
                     Notification.Type.FAVOURITE,
                     Notification.Type.REBLOG,
@@ -97,7 +103,12 @@ class NotificationsPagingAdapter(
         val inflater = LayoutInflater.from(parent.context)
         return when (viewType) {
             VIEW_TYPE_STATUS -> StatusViewHolder(
-                ItemStatusBinding.inflate(inflater, parent, false),
+                ItemStatusBinding.inflate(inflater, parent, false).root,
+                statusListener,
+                accountId
+            )
+            VIEW_TYPE_STATUS_FILTERED -> StatusViewHolder(
+                ItemStatusWrapperBinding.inflate(inflater, parent, false).root,
                 statusListener,
                 accountId
             )
@@ -157,12 +168,13 @@ class NotificationsPagingAdapter(
 
     companion object {
         private const val VIEW_TYPE_STATUS = 0
-        private const val VIEW_TYPE_STATUS_NOTIFICATION = 1
+        private const val VIEW_TYPE_STATUS_FILTERED = 1
-        private const val VIEW_TYPE_FOLLOW = 2
+        private const val VIEW_TYPE_STATUS_NOTIFICATION = 2
-        private const val VIEW_TYPE_FOLLOW_REQUEST = 3
+        private const val VIEW_TYPE_FOLLOW = 3
-        private const val VIEW_TYPE_PLACEHOLDER = 4
+        private const val VIEW_TYPE_FOLLOW_REQUEST = 4
-        private const val VIEW_TYPE_REPORT = 5
+        private const val VIEW_TYPE_PLACEHOLDER = 5
-        private const val VIEW_TYPE_UNKNOWN = 6
+        private const val VIEW_TYPE_REPORT = 6
+        private const val VIEW_TYPE_UNKNOWN = 7
 
         val NotificationsDifferCallback = object : DiffUtil.ItemCallback<NotificationViewData>() {
             override fun areItemsTheSame(

app/src/main/java/com/keylesspalace/tusky/components/notifications/StatusViewHolder.kt

@@ -17,18 +17,18 @@
 
 package com.keylesspalace.tusky.components.notifications
 
+import android.view.View
 import com.keylesspalace.tusky.adapter.StatusViewHolder
-import com.keylesspalace.tusky.databinding.ItemStatusBinding
 import com.keylesspalace.tusky.entity.Notification
 import com.keylesspalace.tusky.interfaces.StatusActionListener
 import com.keylesspalace.tusky.util.StatusDisplayOptions
 import com.keylesspalace.tusky.viewdata.NotificationViewData
 
 internal class StatusViewHolder(
-    binding: ItemStatusBinding,
+    itemView: View,
     private val statusActionListener: StatusActionListener,
     private val accountId: String
-) : NotificationsViewHolder, StatusViewHolder(binding.root) {
+) : NotificationsViewHolder, StatusViewHolder(itemView) {
 
     override fun bind(
         viewData: NotificationViewData.Concrete,