Fix favourites and people metaspaces not rendering their content (#7315)

res/css/views/rooms/_RoomSublist.scss

@@ -203,6 +203,8 @@ limitations under the License.
         &.mx_RoomSublist_resizeBox_forceExpanded .mx_RoomSublist_tiles {
             // in this state the div can collapse its height entirely in Chromium, so prevent that by allowing overflow
             overflow: visible;
+            // clear the min-height to make it not collapse entirely in a state with no active resizer
+            min-height: unset;
         }
 
         .mx_RoomSublist_resizerHandles_showNButton {