Created App Surfaces for Theming

lib/screens/teams/teams_screen.dart

@@ -7,6 +7,7 @@ import '../../providers/teams_provider.dart';
 import '../../providers/profile_provider.dart';
 import 'package:supabase_flutter/supabase_flutter.dart';
 import 'package:tasq/screens/searchable_multi_select_dropdown.dart';
+import '../../theme/app_surfaces.dart';
 import '../../widgets/tasq_adaptive_list.dart';
 
 final officesProvider = FutureProvider<List<Office>>((ref) async {
@@ -150,6 +151,7 @@ class TeamsScreen extends ConsumerWidget {
         return StatefulBuilder(
           builder: (context, setState) {
             return AlertDialog(
+              shape: AppSurfaces.of(context).dialogShape,
               title: Text(isEdit ? 'Edit Team' : 'Add Team'),
               content: SingleChildScrollView(
                 child: Column(
@@ -266,6 +268,7 @@ class TeamsScreen extends ConsumerWidget {
     final confirmed = await showDialog<bool>(
       context: context,
       builder: (context) => AlertDialog(
+        shape: AppSurfaces.of(context).dialogShape,
         title: const Text('Delete Team'),
         content: const Text('Are you sure you want to delete this team?'),
         actions: [