merge release branch

tabs to spaces

deletegear rearrangement applied to branch too. if this causes desyncs you're probably in a crashy state already

couple more use after frees for gear deletion. also rearranged lines a bit and added a redundant exit to try to proof things a bit. more evidence we need rust.

Make sure to render crosshair above render

Render contour of flying saucer is in (mostly) opaque

Frontend: Increase padding of small push buttons

Restore map scaling of Tunnels script

Force MapFeatureSize=12 in TechRacer

Fix Racer ghost not resetting properly after a skip (bug #565)