Units no longer warp out if hit by an AoePortal

It doesn't make sense that an aoe portal sends units through their own
portal. Their sudden disappearance is somewhat jarring, however.
Bug fixes

Fixed: Player can use abilities if the tower is controlled by the enemy.
Fixed: Enemy Arming tower is not arming enemy units.
Fixed merge conflict

Conflicts:
	src/Assets/Resources/Units/Scripts/Unit.cs