Fixes a bunch of things related to mindslaves (#12491)

code/modules/admin/player_panel.dm

@@ -502,6 +502,9 @@
 		if(SSticker.mode.traitors.len)
 			dat += check_role_table("Traitors", SSticker.mode.traitors)
 
+		if(SSticker.mode.implanted.len)
+			dat += check_role_table("Mindslaves", SSticker.mode.implanted)
+
 		if(SSticker.mode.shadows.len)
 			dat += check_role_table("Shadowlings", SSticker.mode.shadows)
 

code/modules/admin/topic.dm

@@ -1985,9 +1985,9 @@
 					kill_objective.target = H.mind
 					kill_objective.owner = newtraitormind
 					kill_objective.explanation_text = "Assassinate [H.mind], the [H.mind.assigned_role]"
+					H.mind.objectives += kill_objective
 					var/datum/antagonist/traitor/T = new()
 					T.give_objectives = FALSE
-					T.add_objective(kill_objective)
 					to_chat(newtraitormind, "<span class='danger'>ATTENTION:</span> It is time to pay your debt to the Syndicate...")
 					to_chat(newtraitormind, "<B>Goal: <span class='danger'>KILL [H.real_name]</span>, currently in [get_area(H.loc)]</B>")
 					newtraitormind.add_antag_datum(T)