add store alias

src/Umbraco.Web.UI.Client/src/core/stores/document-blueprint/document-blueprint.store.ts

@@ -18,6 +18,8 @@ const isDocumentBlueprintDetails = (
  * @description - Data Store for Documents
  */
 export class UmbDocumentBlueprintStore extends UmbNodeStoreBase<UmbDocumentStoreItemType> {
+	public readonly storeAlias = 'umbDocumentBlueprintStore';
+
 	getByKey(key: string): Observable<DocumentDetails | null> {
 		// TODO: implement call to end point
 		return this.items.pipe(