fix operations e tasks

lib/features/operations/ui/operation_list_screen.dart

@@ -571,7 +571,7 @@ class _RichOperationCard extends StatelessWidget {
                     ),
 
                     // Tag Gestore (Agganciato dinamicamente al displayColor generato dall'esadecimale del DB!)
-                    if (operation.providerId != null)
+                    if (operation.provider != null)
                       _MiniChip(
                         label: operation.provider?.name ?? 'Gestore',
                         color:

lib/features/operations/ui/widgets/details_section.dart

@@ -138,13 +138,13 @@ class OperationDetailsSection extends StatelessWidget {
                 : 'Nessun gestore selezionato',
             style: TextStyle(
               color:
-                  (currentOp?.providerId == null ||
-                      currentOp!.providerId!.isEmpty)
+                  (currentOp?.provider == null ||
+                      currentOp!.provider!.name.isEmpty)
                   ? Colors.grey
                   : null,
               fontWeight:
-                  (currentOp?.providerId == null ||
-                      currentOp!.providerId!.isEmpty)
+                  (currentOp?.provider == null ||
+                      currentOp!.provider!.name.isEmpty)
                   ? FontWeight.normal
                   : FontWeight.bold,
             ),