* Fixes incorrectly passed arguments to demoralise poster signal handler (#70887)
## About The Pull Request
First argument is the source of the signal. This caused runtimes where
it tried to check a poster's mind.
## Why It's Good For The Game
Less runtimes
## Changelog
🆑 Melbert
fix: Triggering a traitor poster trap progresses their objective.
/🆑
* Fixes incorrectly passed arguments to demoralise poster signal handler
Co-authored-by: MrMelbert <51863163+MrMelbert@users.noreply.github.com>