[NONMODULAR] Clown slots can no longer be edited. (#3518)

* clown is dead and we have killed him

* bugfixes

* Update jobmanagement.dm

* Update jobmanagement.dm

* thanos snapped clown a little too hard and deleted a comment

code/game/machinery/computer/card.dm

@@ -35,6 +35,7 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 		"Research Director",
 		"Chief Medical Officer",
 		"Security Medic", //SKYRAT EDIT ADDITION - SEC_HUAL
+		"Clown", //SKYRAT EDIT: Host request
 		"Security Sergeant", //SKYRAT EDIT ADDITION - SEC_HAUL
 		"Blueshield",	//SKYRAT EDIT: Blueshield slots should never be above 1.
 		"Prisoner")

code/modules/modular_computers/file_system/programs/jobmanagement.dm

@@ -24,6 +24,10 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 		"Head of Security",
 		"Chief Engineer",
 		"Research Director",
+		"Security Sergeant",
+		"Security Medic",
+		"Clown",
+		"Blueshield",
 		"Chief Medical Officer")
 
 	//The scaling factor of max total positions in relation to the total amount of people on board the station in %