93a8fd1249
There were several places attempting to check to see if scene lights and world were enabled for display. This tries to find a common place for both of these to reduce duplication. Honestly, I couldn't find a really good spot for these and settled on DRW_engine. It's not the best spot since they're not strictly drawing related, but let's start here. Reviewed By: fclem Differential Revision: https://developer.blender.org/D12658