* Scripts/ScarletMonastery: Fix wrong emote during Headless Horseman encounter
* Scripts/HoR: Fix wrong emote during escape event
* Core/Unit: Make improve type safety of HandleEmoteCommand
Change argument type to the expected enum type Emote
* Scripts/CoS: Use SetUInt32Value to set UNIT_NPC_EMOTESTATE
UNIT_NPC_EMOTESTATE is no flag field