It's not confirmed MCU canon, but it also hasn't been confirmed the other way concretely. It's kind of up in the air, and given the way current character backstories have borrowed from different comics runs to different degrees, I'd like to not rule out the possibility of it coming up in MCU canon in the future.

Would it be all right to just play her true to the app's abilities section without calling it anything in particular? All of her skills have been exhibited or discussed on screen, so there's no ambiguity there. The issue really wouldn't come up for her in the game, so it's safe on that front. She's not going to be sharing any deep dark details of her past with people, and this way it doesn't shut down the possibility that further exploration into her backstory in upcoming movies might give us more concrete details.