KEEP_TOGETHER Underlays on the same plane render over the main icon #2500
Description
Test case on top of TestGame:
/mob/verb/test_underlay()
var/image/I = image('icons/spotlight.dmi', "spotlight")
src.appearance_flags = KEEP_TOGETHER
I.plane = src.plane
src.underlays += I
Byond:
OD (the underlay being cut off is a separate issue):
