Fix low-bandwidth media stand in cards being wrong height

lib/controls/timeline/flattened_tree_entry_control.dart

@@ -167,6 +167,7 @@ class _StatusControlState extends State<FlattenedTreeEntryControl> {
                 width: items.length > 1
                     ? ResponsiveSizesCalculator(context).maxThumbnailWidth
                     : ResponsiveSizesCalculator(context).viewPortalWidth,
+                height: ResponsiveSizesCalculator(context).maxThumbnailHeight,
               );
             },
             separatorBuilder: (context, index) {