v6000

REMOVE zoom angle change and offset height modifier in main camera zoom handler as it is not working properly at the moment.
FIX units from getting into unit carriers that are owned by different factions and introduced an option in the CarriableUnit component to choose whether to allow carriers from no other factions, from just the free faction, from other factions explicitly, or any faction.
FIX the destroy entity delay time scaling by dividing it with the current time scale to fit the simulation's speed.
FIX errors in the custom editor window when Mirror is imported due to clashing names.
FIX setting up a new map scene with the RTS Engine menu.
UPDATE minimum supported Unity version to Unity 6.