Fixes #4335

Readds the 1/12 chance of stumbling out the bolt of change fully human with no mutantrace. It must have gotten lost during the mutantrace datumizing
Simplifies the species picking
Adds an update_icons() to minimize the effects of #4252, but it's still a problem
Changed it!
Merge pull request #4336 from Incoming5643/bluepanties

Magic Mania 1⅔: Fixes #4335