Revert the move from territory_pull to special/ in rP22266, introduce template variants to make the feature more versatile, fix missing the Visibility component, refs rP16022.
The special/ folder is determined by the TemplateLoader to not store entities placeable in Atlas.
Differential Revision: https://code.wildfiregames.com/D2083
Patch by: Nescio
Reported by: fatherbushido