Fix media width size being fixed to 250.0 to expand to whole area

lib/controls/timeline/status_control.dart

@@ -184,7 +184,6 @@ class _StatusControlState extends State<StatusControl> {
       return const SizedBox();
     }
     return SizedBox(
-        width: 250.0,
         height: 250.0,
         child: ListView.separated(
             scrollDirection: Axis.horizontal,