Refactor service management: streamline service form, enhance state management, and improve loading logic

lib/features/home/ui/dashboard_adaptive_grid.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flux/core/theme/theme.dart';
 import 'package:flux/features/home/ui/dashboard_action_card.dart';
+import 'package:flux/features/services/utils/service_actions.dart';
 import 'package:go_router/go_router.dart';
 
 class DashboardAdaptiveGrid extends StatelessWidget {
@@ -36,7 +37,7 @@ class DashboardAdaptiveGrid extends StatelessWidget {
               label: 'Nuova Op',
               icon: Icons.add_task,
               color: context.accent,
-              onTap: () {},
+              onTap: () => startNewService(context),
             ),
             DashboardActionCard(
               label: 'Clienti',