fixed not enough licenses error not displaying at client when attempt to add too many service techs

ayanova/src/views/adm-user.vue

@@ -650,6 +650,7 @@ export default {
         if (res.error) {
           vm.formState.serverError = res.error;
           window.$gz.form.setErrorBoxErrors(vm);
+          return;
         } else {
           if (res.data.id) {
             //POST