Add more dex entries

lib/filters.dart

@@ -12,6 +12,22 @@ class FilterPage extends StatefulWidget {
 }
 
 class _filterPage extends State<FilterPage> {
+  @override
+  void didChangeDependencies() {
+    SessionData.callbacks.filtersPage = () async {
+      setState(() {});
+    };
+
+    super.didChangeDependencies();
+  }
+
+  @override
+  void dispose() {
+    SessionData.callbacks.filtersPage = null;
+
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(