rename searchBarController to controller in PlayerSelection widget

lib/presentation/views/main_menu/create_group_view.dart

@@ -70,7 +70,7 @@ class _CreateGroupViewState extends State<CreateGroupView> {
             ),
             Expanded(
               child: PlayerSelection(
-                searchBarController: _searchBarController,
+                controller: _searchBarController,
                 onChanged: (value) {
                   selectedPlayers = [...value];
                 },

lib/presentation/widgets/player_selection.dart

@@ -10,12 +10,12 @@ import 'package:provider/provider.dart';
 import 'package:skeletonizer/skeletonizer.dart';
 
 class PlayerSelection extends StatefulWidget {
-  final TextEditingController searchBarController;
+  final TextEditingController controller;
   final Function(List<Player> value) onChanged;
 
   const PlayerSelection({
     super.key,
-    required this.searchBarController,
+    required this.controller,
     required this.onChanged,
   });
 
@@ -39,7 +39,7 @@ class _PlayerSelectionState extends State<PlayerSelection> {
   void initState() {
     super.initState();
     db = Provider.of<AppDatabase>(context, listen: false);
-    _searchBarController = widget.searchBarController;
+    _searchBarController = widget.controller;
     loadPlayerList();
   }