fix attachments with no parentId

lib/features/operations/data/operations_repository.dart

@@ -111,69 +111,6 @@ class OperationsRepository {
     }
   }
 
-  // --- RECUPERO PAGINATO CON FILTRI E JOIN ---
-  /* Future<List<OperationModel>> fetchOperations({
-    required String companyId,
-    String? storeId,
-    String? staffId,
-    String? providerId,
-    required int offset,
-    int limit = 50,
-    String? searchTerm,
-    DateTimeRange? dateRange,
-  }) async {
-    try {
-      var query = _supabase
-          .from(Tables.operations)
-          .select('''
-            *,
-            ${Tables.customers}(*), 
-            ${Tables.stores}(name),
-            ${Tables.providers}(name),
-            ${Tables.models}(name_with_brand),
-            ${Tables.staffMembers}(name),
-            ${Tables.attachments}(*)
-          ''')
-          .eq('company_id', companyId);
-
-      // Filtro Range Date
-      if (dateRange != null) {
-        query = query
-            .gte('created_at', dateRange.start.toIso8601String())
-            .lte('created_at', dateRange.end.toIso8601String());
-      }
-
-      if (storeId != null) {
-        query = query.or('store_id.eq.$storeId,store_id.is.null');
-      }
-
-      if (staffId != null) {
-        query = query.or('staff_id.eq.$staffId,staff_id.is.null');
-      }
-
-      if (providerId != null) {
-        query = query.or('provider_id.eq.$providerId,provider_id.is.null');
-      }
-
-      if (searchTerm != null && searchTerm.isNotEmpty) {
-        // Filtra sui campi della tabella principale O su quelli della tabella joinata
-        query = query.or(
-          'reference.ilike.%$searchTerm%,note.ilike.%$searchTerm%,customer.name.ilike.%$searchTerm%',
-        );
-      }
-
-      final response = await query
-          .order('created_at', ascending: false)
-          .range(offset, offset + limit - 1);
-
-      return (response as List)
-          .map((map) => OperationModel.fromMap(map))
-          .toList();
-    } catch (e) {
-      throw Exception('$e');
-    }
-  } */
-
   Stream<List<Map<String, dynamic>>> watchStoreOperations({
     required String storeId,
     required int limit,