[MIRROR] Internal wounds & spleen tweak (#12182)

Co-authored-by: Cameron Lennox <killer65311@gmail.com>

code/modules/mob/mob.dm

@@ -1072,6 +1072,8 @@
 		if(prob(selection.w_class * 5) && (affected.robotic < ORGAN_ROBOT)) //I'M SO ANEMIC I COULD JUST -DIE-.
 			var/datum/wound/internal_bleeding/I = new (min(selection.w_class * 5, 15))
 			affected.wounds += I
+			affected.update_damages()
+			H.handle_organs(TRUE) //Force an update so we start processing the internal bleeding.
 			H.custom_pain("Something tears wetly in your [affected] as [selection] is pulled free!", 50)
 
 		if (ishuman(U))