fix linter issues

lib/presentation/views/main_menu/player_detail_view.dart

@@ -54,7 +54,7 @@ class _PlayerDetailViewState extends State<PlayerDetailView> {
   /// Full list of groups this player belongs to
   List<Group> playerGroups = List.filled(
     4,
-    Group(name: "Skeleton group", members: []),
+    Group(name: 'Skeleton group', members: []),
   );
 
   /// Full list of matches this player played in
@@ -178,7 +178,7 @@ class _PlayerDetailViewState extends State<PlayerDetailView> {
                 ),
                 const SizedBox(height: 20),
                 InfoTile(
-                  title: "${loc.matches_part_of} (${totalMatches})",
+                  title: '${loc.matches_part_of} ($totalMatches)',
                   icon: Icons.sports_esports,
                   horizontalAlignment: CrossAxisAlignment.start,
                   content: AppSkeleton(
@@ -201,7 +201,7 @@ class _PlayerDetailViewState extends State<PlayerDetailView> {
                 ),
                 const SizedBox(height: 15),
                 InfoTile(
-                  title: "${loc.groups_part_of} (${totalGroups})",
+                  title: '${loc.groups_part_of} ($totalGroups)',
                   icon: Icons.people,
                   horizontalAlignment: CrossAxisAlignment.start,
                   content: AppSkeleton(

lib/presentation/widgets/buttons/animated_dialog_button.dart

@@ -38,12 +38,12 @@ class _AnimatedDialogButtonState extends State<AnimatedDialogButton> {
   Widget build(BuildContext context) {
     final textStyling = _getTextStyling();
     final buttonDecoration = _getButtonDecoration();
-    bool _isDisabled = widget.onPressed == null;
+    bool isDisabled = widget.onPressed == null;
 
     return IgnorePointer(
-      ignoring: _isDisabled,
+      ignoring: isDisabled,
       child: Opacity(
-        opacity: _isDisabled ? 0.5 : 1.0,
+        opacity: isDisabled ? 0.5 : 1.0,
         child: GestureDetector(
           onTapDown: (_) => setState(() => _isPressed = true),
           onTapUp: (_) => setState(() => _isPressed = false),