It seems like you're supposed to be able to rotate view via mouse drag? That doesn't work at all in wine, neither in fullscreen nor windowed mode. That's weird, since Unity games are usually no trouble.
That problem was already in previous versions but now in court mode it's more of an issue. Same in Raid Her btw.
Btw, both A/D and arrow left/right are mapped to moving left/right. I think it would be sensible to map the arrow keys to camera movement or let the user remap them.
And another thing, if you don't have Visual C++ (vcrun) set up, you get all kinds of trouble with DXVK and blacking-out character models. Which too is untypical for Unity games.