Update hand hud on limb reattachment and unmutate. (#32146)

* Update hand hud when performing reattachment surgery.

* Fix hand hud on unmutate.

code/modules/surgery/limb_reattach.dm

@@ -156,7 +156,7 @@
 	target.update_body()
 	target.updatehealth()
 	target.UpdateDamageIcon()
-
+	target.update_hands_hud()
 
 // This is a step that handles robotic limb attachment while skipping the "connect" step
 // THIS IS DISTINCT FROM USING A CYBORG LIMB TO CREATE A NEW LIMB ORGAN

code/modules/surgery/organs/subtypes/standard_organs.dm

@@ -168,6 +168,10 @@
 	can_grasp = 1
 	fragile = TRUE
 
+/obj/item/organ/external/hand/unmutate()
+	..()
+	owner.update_hands_hud()
+
 /obj/item/organ/external/hand/emp_act(severity)
 	..()
 	if(!owner || !is_robotic() || emp_proof || !tough) // Augmented arms and hands drop whatever they are holding on EMP.