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a13f35f0e6
Before this change, the broadcast() method would send the BROADCAST
command and then apply it locally (which is required to retrieve the
offset of the message, when connection state recovery is enabled),
while the other commands like disconnectSockets() would first apply it
locally and then send the command to the other nodes.
So, for example:
```js
io.emit("bye");
io.disconnectSockets();
```
In that case, the clients connected to the io instance would not receive
the "bye" event, while the clients connected to the other server
instances would receive it before being disconnected.
Related:
- https://github.com/socketio/socket.io-redis-streams-adapter/issues/13
- https://github.com/socketio/socket.io-postgres-adapter/issues/12