Backend: Discord RCP /shdebug

[hannibal002]

What

Discord RCP gets /shdebug support and more user feedback.

Changelog Technical Details

• Discord RPC now shows in /shdebug when there's an issue or current status. - hannibal2

[github-actions]

I have detected some issues with your pull request:

Body issues:
Author is not set in text: + Discord RCP now shows up in /shdebug when something is wrong, or with the current status.
Change should end with a full stop in text: Discord RCP now shows up in /shdebug when something is wrong, or with the current status.

Please fix these issues. For the correct format, refer to the pull request template.

[github-actions]

One or more Detekt Failures were detected:

• DiscordRPCManager.kt#L170: Missing newline after "{"
• DiscordRPCManager.kt#L98: Line detected, which is longer than the defined maximum line length in the code style.