BUG FIXES
- server will now check if the ship being rifted to exists before moving a player to the target system
- correct order of removing a player from the old ship and adding them to the new ship
- removed ship rift clones now won't end up in the Store-o-Tron
- fixed a crash when updating ship hull materials while rifting
- fixed a crash when trying to browse to folders we don't have permissions for
- fixed a crash when trying to save a file with invalid characters in the path