[DURACOM-170] Fixed "add collection" behavior

Author: alisaismailati

src/app/collection-page/collection-form/collection-form.component.ts

@@ -22,6 +22,8 @@ import { MetadataValue } from '../../core/shared/metadata.models';
 import { getFirstSucceededRemoteListPayload } from '../../core/shared/operators';
 import { collectionFormEntityTypeSelectionConfig, collectionFormModels, } from './collection-form.models';
 import { NONE_ENTITY_TYPE } from '../../core/shared/item-relationships/item-type.resource-type';
+import { hasNoValue, isNotNull } from 'src/app/shared/empty.util';
+
 
 /**
  * Form used for creating and editing collections
@@ -66,6 +68,12 @@ export class CollectionFormComponent extends ComColFormComponent<Collection> imp
     super(formService, translate, notificationsService, authService, requestService, objectCache);
   }
 
+  ngOnInit(): void {
+    if (hasNoValue(this.formModel) && isNotNull(this.dso)) {
+      this.initializeForm();
+    }
+  }
+
   /**
    * Detect changes to the dso and initialize the form,
    * if the dso changes, exists and it is not the first change