fix(UserData): first change event is not triggered

bin/backend/controls/userData/UserData.js

@@ -289,6 +289,7 @@ define('package/quiqqer/erp/bin/backend/controls/userData/UserData', [
                 if (this.$CustomerSelect) {
                     this.$setValues = true;
                     this.$CustomerSelect.addItem(data.userId);
+                    this.$setValues = false;
                 }
 
                 dataPromise = this.$setDataByUserId(data.userId);