Fixed bug - Loading Indicator now functions correctly

lib/widgets/station_filter.dart

@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
 
 class StationFilter extends StatefulWidget {
-  const StationFilter({super.key, required this.onEditingComplete});
-  final void Function(String filterText) onEditingComplete;
+  const StationFilter({super.key, required this.onChanged});
+  final void Function(String filterText) onChanged;
 
   @override
   State<StationFilter> createState() => StationFilterState();
@@ -22,15 +22,15 @@ class StationFilterState extends State<StationFilter> {
           child: IconButton(
             onPressed: () {
               filterController.clear();
-              setState(() {});
+
+              widget.onChanged(filterController.text);
             },
             icon: Icon(Icons.delete),
           ),
         ),
         label: Text('Filter'),
       ),
-      onChanged: (_) => setState(() {}),
-      onEditingComplete: () => widget.onEditingComplete(filterController.text),
+      onChanged: (_) => widget.onChanged(filterController.text),
     );
   }
 }