Refactor misleading "default"

This used to be the default, but was changed upstream to default
to something similar to our UNREAD_KIND_CONTENT.

Change-Id: Id0e46eebcd3505071f200cafd603fb9828c9a919

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/RoomSummary.kt

@@ -91,7 +91,7 @@ data class RoomSummary constructor(
         return when(preferenceProvider.getUnreadKind(isDirect)) {
             UNREAD_KIND_ORIGINAL_CONTENT -> hasUnreadOriginalContentMessages
             UNREAD_KIND_CONTENT -> hasUnreadContentMessages
-            // UNREAD_KIND_DEFAULT
+            // UNREAD_KIND_FULL
             else -> hasUnreadMessages
         }
     }
@@ -112,7 +112,7 @@ data class RoomSummary constructor(
     companion object {
         const val NOT_IN_BREADCRUMBS = -1
         // SC addition
-        const val UNREAD_KIND_DEFAULT = 0
+        const val UNREAD_KIND_FULL = 0
         const val UNREAD_KIND_CONTENT = 1
         const val UNREAD_KIND_ORIGINAL_CONTENT = 2
     }

vector/src/main/java/im/vector/app/features/home/room/ScSdkPreferences.kt

@@ -10,6 +10,6 @@ class ScSdkPreferences @Inject constructor(private val vectorPreferences: Vector
     constructor(context: Context?) : this(vectorPreferences = context?.let { VectorPreferences(it) })
 
     override fun getUnreadKind(isDirect: Boolean): Int {
-        return vectorPreferences?.roomUnreadKind(isDirect) ?: RoomSummary.UNREAD_KIND_DEFAULT
+        return vectorPreferences?.roomUnreadKind(isDirect) ?: RoomSummary.UNREAD_KIND_FULL
     }
 }