LIV support, optimization and impasto improvements. — Vermillion - VR Painting Steam update #80118

Vermillion now has LIV support! Excited to see what the content creators will cook up. Besides that, there's a bunch of nice fixes in this update: - Added optimization on palette and mixing tray, which should alleviate performance issues for users who had issues with those surfaces but not the canvas. - Fine tuned the paint thickness output of several brushes. - When touching thick paint with a dry brush, you now leave that brush's bristly texture in the thick paint, rather than flattening it completely from the start. Play around with it, it's good fun. - The hands when not holding a tool are now animated. - Fixed blobs appearing in 2 inch brush strokes. - Adjusted paint visual on brush tips to show full paint more clearly. - Fixed 2 inch brush tip showing more paint than it should. - Adding straight paint thinner to the palette will now always thin the paint further. - Removed sounds f...