Fix react warnings and part of backstage (#4706)

webapp/utils/async_client.jsx

@@ -1389,7 +1389,7 @@ export function editCommand(command, success, error) {
         command,
         (data) => {
             AppDispatcher.handleServerAction({
-                type: ActionTypes.RECEIVED_COMMAND,
+                type: ActionTypes.UPDATED_COMMAND,
                 command: data
             });
 
@@ -1576,4 +1576,4 @@ export function listReactions(channelId, postId) {
             dispatchError(err, 'listReactions');
         }
     );
-}
+}