IpcMain.Once(string) is not one time use, is not removing listener

[LandinMartensIQ]

• Version: 7.30.2
• Target: .Net Core 3.1

In the C# lib, IpcMain.Once(string) is not removing the listener after.

Steps to Reproduce:

1. Register a listener using IpcMain.Once(channel_name)
2. Wait for the event to be fired at least once from javascript
3. Now fire the event again within javascript
4. The listener registered at step 1 still fires even though it should have been removed.

I think this is directly related to my other issue I just posted: #365

[GregorBiswanger]

I tested it with the current version and there were no problems. Possibly. do you unconsciously register it more often, or is it due to the new Electron 8 version. Our latest update in version 8.31.1 will be released in the next few days.