Escape-pod stasis fixes & ID checking proc

[realforest2001]

About the pull request

PR converts most places that are comparing registered_name on an ID, to a mob. I have left places that are explicitly checking for things without use of a direct user, as there are instances where this is necessary.
I have also fixed a missing check on escape pod stasis bays allowing xenos to put people into them.
In addition to the above change, I have set it so that people who were forced into stasis can eject themselves as there have been cases where people were removed from the round by this against their wishes.

Explain why it's good for the game

Makes little sense for xenos to be strapping marines into stasis bays. Nor for corpses to be accepted either, as they're not from the base version.

Testing Photographs and Procedure

Screenshots & Videos

Put screenshots and videos here with an empty line between the screenshots and the <details> tags.

Changelog

🆑
add: Added a proc for comparing the registered name of an ID, to the real name of a mob. Also checks registered_ref if one exists.
add: Evacuation can no longer be cancelled without passing above check.
add: People forced into escape-pod stasis bays against their wishes can now eject themselves.
fix: Xenos can no longer force humans into escape-pod stasis bays.
fix: Escape-pod stasis bays no longer accept corpses.
/:cl:

[github-actions]

This PR has been inactive for long enough to be automatically marked as stale. This means it is at risk of being auto closed in ~ 7 days, please address any outstanding review items and ensure your PR is finished, if these are all true and you are auto-staled anyway, you need to actively ask maintainers if your PR will be merged. Once you have done any of the previous actions then you should request a maintainer remove the stale label on your PR, to reset the stale timer. If you feel no maintainer will respond in that time, you may wish to close this PR youself, while you seek maintainer comment, as you will then be able to reopen the PR yourself