Fixes cleanades being C2 contraband (#4291)

Author: mnva0

Resources/Prototypes/Entities/Objects/Weapons/Throwable/grenades.yml

@@ -434,7 +434,7 @@
       path: /Audio/Items/smoke_grenade_prime.ogg
 
 - type: entity
-  parent: SmokeGrenade # Frontier: removed BaseCivilianContraband
+  parent: [ BaseC1Contraband, SmokeGrenade ] # Frontier: BaseCivilianContraband<BaseC1Contraband
   id: CleanerGrenade
   name: cleanade
   description: Special grenade for janitors, releasing large cloud of space cleaner foam.