If you create a fake link in direction west by looping it back to the same location, and the "copy reciprocal links" setting is turned on, then another fake link is created from the east.
When a link loops back to it's own location it is very unlikely that we also want another fake link in the opposite wall of the same room.
Hence "copy reciprocal links" should ignore links that loop back to their own location.
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Link to self should not auto-add a recipocal link 
