Use better Kotlin syntax

From the PR review

app/src/main/java/org/schabi/newpipe/local/feed/FeedFragment.kt

@@ -75,7 +75,7 @@ import org.schabi.newpipe.local.feed.item.StreamItem
 import org.schabi.newpipe.local.feed.service.FeedLoadService
 import org.schabi.newpipe.local.subscription.SubscriptionManager
 import org.schabi.newpipe.util.DeviceUtils
-import org.schabi.newpipe.util.DrawableResolver.Companion.resolveDrawable
+import org.schabi.newpipe.util.DrawableResolver.resolveDrawable
 import org.schabi.newpipe.util.Localization
 import org.schabi.newpipe.util.NavigationHelper
 import org.schabi.newpipe.util.ThemeHelper.getGridSpanCountStreams

app/src/main/java/org/schabi/newpipe/util/DrawableResolver.kt

@@ -2,25 +2,24 @@ package org.schabi.newpipe.util
 
 import android.content.Context
 import android.graphics.drawable.Drawable
+import android.util.TypedValue
 import androidx.annotation.AttrRes
 
 /**
  * Utility class for resolving [Drawables](Drawable)
  */
-class DrawableResolver {
+object DrawableResolver {
-    companion object {
+    @JvmStatic
-        @JvmStatic
+    fun resolveDrawable(context: Context, @AttrRes attrResId: Int): Drawable? {
-        fun resolveDrawable(context: Context, @AttrRes attrResId: Int): Drawable? {
+        return androidx.core.content.ContextCompat.getDrawable(
-            return androidx.core.content.ContextCompat.getDrawable(
+            context,
-                context,
+            TypedValue().apply {
-                android.util.TypedValue().apply {
+                context.theme.resolveAttribute(
-                    context.theme.resolveAttribute(
+                    attrResId,
-                        attrResId,
+                    this,
-                        this,
+                    true
-                        true
+                )
-                    )
+            }.resourceId
-                }.resourceId
+        )
-            )
-        }
     }
 }