Fix invalid expand status on tab switch

Change-Id: I8db822d61b93b0b6f12ecbe4c7270f42c204caa5

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

@@ -297,7 +297,9 @@ class RoomListFragment @Inject constructor(
                     )
             )
             concatAdapter.addAdapter(sectionAdapter)
-            concatAdapter.addAdapter(contentAdapter.adapter)
+            if (section.isExpanded.value.orTrue()) {
+                concatAdapter.addAdapter(contentAdapter.adapter)
+            }
         }
 
         // Add the footer controller