Fix when not having READ rights on the parent

projects/common-map/src/fm-map/effects/map.effects.ts

@@ -177,7 +177,7 @@ export class MapEffects {
               return this.itemService$.getItem(child.parentCode)
                 .pipe(map(parent => {
                     return {child, parent};
-                  })
+                  }),catchError(() => { let parent:IItem = null;return of({child,parent})})
                 );
             }),
             map(data => new mapActions.SelectItemSuccess(data.child, data.parent)),