She’d see the mirror as changed beyond recognition, in a way that at the least makes seeing her reflection impossible.
Any section of a mirror, broken or not, that can reflect an image can be considered a norm. As such, to diverge from the norm, something like dismatling it, painting the entire surface black, it gaining anomalous properties that [DATA EXPUNGED]; now those are examples of shit she’d see in a mirror.
It’s kindof a self-censoring power on herself, if you may.