Hostile mobs fail to spawn in the end dimension on 1.18

[Wesley1808]

Since commit 440547d, enderman have not been able to spawn in the end dimension.
I have tested this on newer commits aswell, but that doesn't change anything.

The end world was also tested when completely regenerated, without any other mods installed - and reverting to an older commit afterwards seems to fix the issue aswell.

[Helinos]

I've been able to reproduce this issue.

[Helinos]

This issue seems to because caused by the new get RawBrightness method that was added/moved to this class in the commit. This method changed where it got the sky light value from, that being getSkyLightValue() as apposed to where it used to get it: skyReader.getLightValue().
This change causes this issue because getting the skylight value from the former method has no check for whether the dimension actually has a skylight, where the latter method does. This causes The End to have a sky light of 15 and subsequently prevent endermen from spawning, as they can only spawn in a light level below 12 or whatever.

I reverted this change in my fork and it seems to fix it.

[Spottedleaf]

e9ff6b7