RGB blocks

Runtime RGB Lighting Update

Glow blocks now emit colored lighting based on their RGB block color

Colored light can softly illuminate nearby surfaces and environments

Chisels & Bits glow bits now participate in RGB lighting

Added subtle colored light blending and indirect lighting behavior

Added support for Sodium, Iris, shaders, and Chisels & Bits rendering environments

Improved RGB lighting consistency during chunk loading and rebuilding

Improved multiplayer RGB lighting stability