[AAE-3084] Add retrieve metadata option in upload widget (#5903)

* AAE-3084 Add retrieve metadata option to upload widget file menu

* AAE-3084 Fix rebasing issues

* AAE-3084 Fix behaviour on empty dropdown

* Update en.json

* AAE-3084 Fix en.json

Co-authored-by: Eugenio Romano <eromano@users.noreply.github.com>

lib/core/form/components/widgets/core/form-field-metadata.ts

@@ -29,4 +29,10 @@ export interface FormFieldMetadata {
         type: string;
     };
     responseVariable?: boolean;
+    menuOptions?: {
+        show?: boolean,
+        download?: boolean,
+        retrieveMetadata?: boolean,
+        remove?: boolean
+    };
 }

lib/core/form/services/form.service.ts

@@ -60,6 +60,8 @@ export class FormService {
 
     executeOutcome = new Subject<FormOutcomeEvent>();
 
+    updateFormValuesRequested = new Subject<FormValues>();
+
     constructor(private ecmModelService: EcmModelService,
                 private apiService: AlfrescoApiService,
                 protected logService: LogService) {