Build #57 - Several bug fixes, better nonVR UI

Quick patch - while we're working on some bigger improvements, we managed to squeeze in a few bug fixes and another CPU optimization for today.

Full changelog:

Performance:

• Further optimized CPU usage by not rendering various off-camera text elements

Controls:

• Fixed teleport imprecision/offset when used on moving trains
• Fixed reverser sometimes getting inverted and causing infinite acceleration as of #56

UI:

• Further improved nonVR HUD

Jobs:

• Fixed lack of available jobs as of #56

Debug:

• Pressing ‘i’ no longer activates spawn mode