Fixed nightmare mission not ending

Cowering/writhing npcs no longer do talking animations

Swing doors can now be blocked by props and won’t open if enough heavy objects are blocking them.

18 new random civilian skins added.

Added screen wipe fx and sound when toggling objective markers.

Some UI elements now still activate with hud off

Fixed minor issues in training, mission 1 and nightmare, and new light bakes - these are now semifinal

Tightened steering to prevent as many severe car flips