[BUG] Missing Icon States for Duster and Some Scarves

[blinkdog]

Round ID:

N/A

Testmerges:

N/A

Reproduction:

PR #73 introduced some new clothing items. Some of the icon_state are missing from the icons:

Error: Missing icon_state for /obj/item/clothing/suit/jacket/leather/duster/syndicate in icons/obj/clothing/suits.dmi.
icon_state = "duster_syndicate"

Error: Missing icon_state for /obj/item/clothing/neck/festivescarf in icons/obj/clothing/neck.dmi.
icon_state = "festivescarf"

Error: Missing icon_state for /obj/item/clothing/neck/redbluestripedscarf in icons/obj/clothing/neck.dmi.
icon_state = "magnetscarf"

Error: Missing icon_state for /obj/item/clothing/neck/lisalisastripedscarf in icons/obj/clothing/neck.dmi.
icon_state = "lisalisastripedscarf"