Opening the Traitor Panel does not work and causes runtimes when used on a person in the lobby

```
runtime error: undefined proc or verb /mob/new_player/is loyalty implanted().

proc name: edit memory (/datum/mind/proc/edit_memory)
source file: mind.dm,235
usr: LittleBigKid2000 (/mob/new_player)
src: /datum/mind (/datum/mind)
usr.loc: the floor (9,247,6) (/turf/unsimulated/floor)
call stack:
/datum/mind (/datum/mind): edit memory()
/datum/admins (/datum/admins): Show Traitor Panel(LittleBigKid2000 (/mob/new_player))
/datum/admins (/datum/admins): Topic("src=\[0x2100519d];traitor=\[0x...", /list (/list))
LittleBigKid2000 (/client): Topic("src=\[0x2100519d];traitor=\[0x...", /list (/list), /datum/admins (/datum/admins))
LittleBigKid2000 (/client): Topic("src=\[0x2100519d];traitor=\[0x...", /list (/list), /datum/admins (/datum/admins))
```