feat(nbstore): use polling as ios websocket transport (#10001)

packages/backend/server/src/base/websocket/config.ts

@@ -14,7 +14,7 @@ declare module '../config' {
 }
 
 defineStartupConfig('websocket', {
+  transports: ['websocket', 'polling'],
   // see: https://socket.io/docs/v4/server-options/#maxhttpbuffersize
-  transports: ['websocket'],
   maxHttpBufferSize: 1e8, // 100 MB
 });