Add rounded light background to fix dark images on dark background issue (#1613)

CHANGES.md

@@ -8,7 +8,7 @@ Improvements 🙌:
  -
 
 Bugfix 🐛:
- -
+ - Fix theme issue on Room directory screen (#1613)
 
 Translations 🗣:
  -

vector/src/main/java/im/vector/riotx/features/roomdirectory/picker/RoomDirectoryItem.kt

@@ -19,6 +19,7 @@ package im.vector.riotx.features.roomdirectory.picker
 import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.core.view.isInvisible
 import com.airbnb.epoxy.EpoxyAttribute
 import com.airbnb.epoxy.EpoxyModelClass
 import im.vector.riotx.R
@@ -58,6 +59,7 @@ abstract class RoomDirectoryItem : VectorEpoxyModel<RoomDirectoryItem.Holder>()
                     }
                 }
                 .into(holder.avatarView)
+        holder.avatarView.isInvisible = directoryAvatarUrl.isNullOrBlank() && includeAllNetworks
 
         holder.nameView.text = directoryName
         holder.descritionView.setTextOrHide(directoryDescription)

vector/src/main/res/layout/item_room_directory.xml

@@ -19,6 +19,8 @@
         android:layout_marginLeft="8dp"
         android:layout_marginTop="4dp"
         android:layout_marginBottom="4dp"
+        android:background="@drawable/circle"
+        android:padding="8dp"
         app:layout_constraintBottom_toTopOf="@+id/itemRoomDirectoryBottomSeparator"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"