It now works even if window creation succeeds and only context creation fails.
Adapted from https://github.com/MoNTE48/Irrlicht . This should be fine
license-wise since that repo still contains the original Irrlicht license
(this is no legal advice).
Original PR: https://github.com/MoNTE48/Irrlicht/pull/9
Co-authored-by: Deve <deveee@gmail.com>