Fix Loan product Payment Allocation (#1855)

Co-authored-by: Jose Alberto Hernandez <alberto@blue-daemon.local>

src/app/shared/tabs/entity-datatable-tab/datatable-multi-row/datatable-multi-row.component.ts

@@ -256,4 +256,8 @@ export class DatatableMultiRowComponent implements OnInit, OnDestroy, OnChanges
     return '';
   }
 
+  getInputName(attr: string): string {
+    return this.datatables.getName(attr);
+  }
+
 }