feat: replace all panic by response err (#1993)

* fix: missing return after response error

* feat: handle error in frontend

* feat: disable loading and catch org edit error

* chore: i18 for error message

* chore: remove break line

* feat: application catching error

web/src/SyncerEditPage.js

@@ -47,14 +47,19 @@ class SyncerEditPage extends React.Component {
 
   getSyncer() {
     SyncerBackend.getSyncer("admin", this.state.syncerName)
-      .then((syncer) => {
-        if (syncer === null) {
+      .then((res) => {
+        if (res === null) {
           this.props.history.push("/404");
           return;
         }
 
+        if (res.status === "error") {
+          Setting.showMessage("error", res.msg);
+          return;
+        }
+
         this.setState({
-          syncer: syncer,
+          syncer: res,
         });
       });
   }