Allow Subtle and Emotes while sleeping

[DrekkCuga]

About the PR

Removed the restriction from sending Emotes (and subtle) while asleep.

Why / Balance

Suggested in the Discord, I think you can guess why people want it.

Technical details

Weirdly, this is a single-line change in SleepingSystem to bypass the OnEmoteAttempt restriction.
Subtle text is actually checking the CanEmote function rather than CanSpeak, so it's all covered by that one listener.

How to test

• Get into a bed, sleep
• Try to send emotes or subtle messages, they should now work.
• Try to send a regular message, it shouldn't go through.

Media

Requirements

• I have read CONTRIBUTING.md and and am following the Pull Request and Changelog Guidelines.
• I have added media to this PR or it does not require an ingame showcase.
• I have reviewed the Ship Submission Guidelines if relevant.
• I confirm that the content in this PR is my own work, and/or is properly attributed to the original author(s).

Changelog
🆑

• tweak: Allowed Emotes and Subtle messages while sleeping.