refactor: consolidate dialogs to DialogActionButton

lib/watch_together/screens/watch_together_screen.dart

@@ -14,6 +14,7 @@ import '../../utils/app_logger.dart';
 import '../../utils/provider_extensions.dart';
 import '../../utils/dialogs.dart';
 import '../../utils/snackbar_helper.dart';
+import '../../widgets/dialog_action_button.dart';
 import '../../utils/video_player_navigation.dart';
 import '../../widgets/focused_scroll_scaffold.dart';
 import '../models/watch_session.dart';
@@ -241,37 +242,21 @@ class _NotInSessionViewState extends State<_NotInSessionView> {
   }
 
   Future<ControlMode?> _showControlModeDialog() {
-    const buttonPadding = EdgeInsets.symmetric(horizontal: 18, vertical: 14);
-    const buttonShape = StadiumBorder();
     return showDialog<ControlMode>(
       context: context,
       builder: (context) => AlertDialog(
         title: Text(t.watchTogether.controlMode),
         content: Text(t.watchTogether.controlModeQuestion),
         actions: [
-          FocusableButton(
-            autofocus: true,
-            onPressed: () => Navigator.pop(context),
-            child: TextButton(
-              onPressed: () => Navigator.pop(context),
-              style: TextButton.styleFrom(padding: buttonPadding, shape: buttonShape),
-              child: Text(t.common.cancel),
-            ),
-          ),
-          FocusableButton(
+          DialogActionButton(onPressed: () => Navigator.pop(context), label: t.common.cancel),
+          DialogActionButton(
             onPressed: () => Navigator.pop(context, ControlMode.hostOnly),
-            child: TextButton(
-              onPressed: () => Navigator.pop(context, ControlMode.hostOnly),
-              style: TextButton.styleFrom(padding: buttonPadding, shape: buttonShape),
-              child: Text(t.watchTogether.hostOnly),
-            ),
+            label: t.watchTogether.hostOnly,
           ),
-          FocusableButton(
+          DialogActionButton(
             onPressed: () => Navigator.pop(context, ControlMode.anyone),
-            child: FilledButton(
-              onPressed: () => Navigator.pop(context, ControlMode.anyone),
-              child: Text(t.watchTogether.anyone),
-            ),
+            label: t.watchTogether.anyone,
+            isPrimary: true,
           ),
         ],
       ),