refactor(ui): simplify create task advanced disclosure

ui/flutter/test/features/tasks/presentation/create_task_advanced_toggle_test.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/services.dart';
+import 'package:flutter/widgets.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:gopeed/features/tasks/presentation/widgets/create_task_advanced_toggle.dart';
+import 'package:gopeed/shared/theme/app_component_themes.dart';
+import 'package:gopeed/shared/theme/app_theme.dart';
+import 'package:shadcn_flutter/shadcn_flutter.dart' as shad;
+
+void main() {
+  for (final width in [360.0, 768.0, 1024.0]) {
+    testWidgets('advanced disclosure supports keyboard and touch at width $width', (tester) async {
+      tester.view.physicalSize = Size(width, 768);
+      tester.view.devicePixelRatio = 1;
+      addTearDown(tester.view.resetPhysicalSize);
+      addTearDown(tester.view.resetDevicePixelRatio);
+      var expanded = false;
+      await tester.pumpWidget(
+        shad.ShadcnApp(
+          theme: AppTheme.light(),
+          materialTheme: AppTheme.materialLight(),
+          home: AppComponentThemes(
+            child: StatefulBuilder(
+              builder: (context, setState) => Center(
+                child: Padding(
+                  padding: const EdgeInsets.all(16),
+                  child: CreateTaskAdvancedToggle(
+                    expanded: expanded,
+                    onPressed: () => setState(() => expanded = !expanded),
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ),
+      );
+      await tester.pumpAndSettle();
+      expect(tester.getSize(find.byType(shad.GhostButton)).height, greaterThanOrEqualTo(44));
+      expect(
+        find.byWidgetPredicate((widget) => widget is Semantics && widget.properties.expanded == false),
+        findsOneWidget,
+      );
+      await tester.sendKeyEvent(LogicalKeyboardKey.tab);
+      await tester.pump();
+      await tester.sendKeyEvent(LogicalKeyboardKey.enter);
+      await tester.pumpAndSettle();
+      expect(expanded, isTrue);
+      expect(
+        find.byWidgetPredicate((widget) => widget is Semantics && widget.properties.expanded == true),
+        findsOneWidget,
+      );
+      await tester.tap(find.text('Advanced'));
+      await tester.pumpAndSettle();
+      expect(expanded, isFalse);
+      expect(tester.takeException(), isNull);
+      await tester.pumpWidget(const SizedBox.shrink());
+      await tester.pumpAndSettle();
+    });
+  }
+}