UI control node and event node do not output any information when changing pages.

[SXlaowang]

Current Behavior

Without closing the dashboard browser page, restarting flows, or deploying flows, the UI control node and event node will become invalid, and there will be no output for switching or other operations.

Expected Behavior

No response

Steps To Reproduce

No response

Environment

• Dashboard version:
• Node-RED version:
• Node.js version:
• npm version:
• Platform/OS:
• Browser:

Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate

[colinl]

Can you explain exactly what we have to do to see this problem?

[SXlaowang]

Can you explain exactly what we have to do to see this problem?

1. Open through Chrome https://myip/dashboard/ At this point, the UI control node and event node can output normally
2. Do not close this dashboard window in the browser
3. In the flow editing interface, modify some content and then deploy
4. At this point, when switching pages and performing other operations in the previous dashboard window, the UI control node and event node will no longer output
5. Close this dashboard window and reopen it, and the UI control node and event node will return to normal

In general, if the browser is not restarted after each deployment, such a malfunction will occur

[colinl]

This appears to be a duplicate of #1371