Readds the x-mas trees to their traditional locations, the bar and church
Readds the Festivus Pole to the RD's office, since the break room is gone
Makes a wizard robe variation of the santa outfit without all the bonus effects (not spaceworthy, can't hold literally everything) so the crew can experience the joy of meeting and subsiquently killing santa claus

Fixes #6230 as a matter of course (someone needs to generalize it to just work for all maps at once)
Merge pull request #6232 from Incoming5643/happykwanzaa

Don't they know it's christmas time at all?