ERT names accept arbitrary html

Created by: Chnkr

Description of issue

        for (var/obj/effect/landmark/L in landmarks_list) if (L.name == "ERT")
            L.name = null//Reserving the place.
            var/new_name = input(usr, "Pick a name","Name") as null|text
            if(!new_name)//Somebody changed his mind, place is available again.
                L.name = "ERT"
                return
            var/leader_selected = isemptylist(response_team_members)
            var/mob/living/carbon/human/new_commando = create_response_team(L.loc, leader_selected, new_name)