[12668] Implement method to send UI encounter unit frames for raid bosses

Signed-off-by: Xfurry <xfurry@scriptdev2.com>

Conflicts:
	src/game/InstanceData.cpp
	src/game/InstanceData.h
	src/shared/revision_nr.h
[12669] Fix non PCH build from previous commit

Conflicts:
	src/shared/revision_nr.h