There is some more footage in this video
https://youtu.be/Wsf2hN1rPEw
Seems like imperial guard models are in the game but they're not using lasguns for some reason.
There's also a scene here where the colors seem less washed out and a lot more like I was hoping for so that's enough for me to stay optimistic right now.
https://youtu.be/Wsf2hN1rPEw?t=372