cleaned up script copy method in script manager.
cleaned up script copy method in script manager.

jamesbeebop/evennia,emergebtc/evennia,feend78/evennia,titeuf87/evennia,ergodicbreak/evennia,feend78/evennia,mrkulk/text-world,emergebtc/evennia,ypwalter/evennia,titeuf87/evennia,titeuf87/evennia,mrkulk/text-world,TheTypoMaster/evennia,jamesbeebop/evennia,mrkulk/text-world,TheTypoMaster/evennia,TheTypoMaster/evennia,ypwalter/evennia,shollen/evennia,shollen/evennia,feend78/evennia,ergodicbreak/evennia,feend78/evennia,titeuf87/evennia,ergodicbreak/evennia,emergebtc/evennia,ypwalter/evennia,mrkulk/text-world,jamesbeebop/evennia