Remove model from scene when going back to selection menu

[memelotsqui]

When in editor view, clicking back button, the character is still in the background, it should not be there

https://user-images.githubusercontent.com/1117257/215142260-c921b41c-39c6-4114-8bd1-18e15f683c68.mov

[soulofmischief]

Seems to be fixed!