b2950b2ad7
When a file passed in from the command line failed to load, blender would exit & save the quit.blend. Resolve by adding a `do_user_exit_actions` to WM_exit_ex which is false in backgrounds mode or when an error has occurred. --- Back-ported [0] & [1] from main with fix [2] included. [0]:c803ddab29[1]:d7d1c524e3[2]:d3d91b79e0