Updated weapon name resolution to be slightly safer

Updated to support latest CR for TTT

Changed IsEventInHistory and AddEventToHistory to be in the Randomat namespace
Fixed events chosen by Choose an Event not being added to history
Fixed Choose an Event triggering the wrong event if there are multiple with the same name

Fixed hunters in Prop Hunt shooting explosive barrels and always dying by ignoring the explosive component of the damage

Updated Bullseys and Herd Immunity to allow barnacles to still do damage to avoid softlocks

Changed Black Market Buyout to not run when there's a Santa
Fixed error getting a random weapon for a role when all available weapons were filtered out
Fixed errors if no player was passed in to GetShopEquipment
Fixed GetShopEquipment not always finding something

Fixed random shop weapon logic not actually filtering by the specific roles the event provided

Fixed checks for shop weapons excluding the wrong kind of spawnable weapons and allowing weapons that spawn on the map to be given

Fixed random weapon choosing logic to prevent things like the parasite cure being given out when it was disabled

Fixed error starting events caused by new property