Merge branch 'feature/bma/optimizeLazyColumn' into develop

features/roomlist/src/main/java/io/element/android/x/features/roomlist/RoomListScreen.kt

@@ -122,7 +122,10 @@ fun RoomListContent(
                         .nestedScroll(nestedScrollConnection),
                     state = lazyListState,
                 ) {
-                    items(roomSummaries) { room ->
+                    items(
+                        items = roomSummaries,
+                        contentType = { room -> room.contentType() },
+                    ) { room ->
                         RoomSummaryRow(room = room, onClick = ::onRoomClicked)
                     }
                 }
@@ -134,6 +137,8 @@ fun RoomListContent(
     }
 }
 
+private fun RoomListRoomSummary.contentType() = isPlaceholder
+
 private fun LazyListState.isScrolled(): Boolean {
     return firstVisibleItemIndex > 0 || firstVisibleItemScrollOffset > 0
 }