Node ID collisions

[ianmcorvidae]

It's possible for two nodes to have an identical ID (while it means two colliding int32s, it definitely happens -- I have a 3000km link showing for me to a different node that shares an ID with one a few meters away). I'm not sure what the best way to fix this would be, but it would probably be good, if possible, to treat these as several different nodes.

In this case, I think it may be a specific bad ID -- https://meshtastic.liamcottle.net/?node_id=115503498 has multiple cross-country links. Nevertheless, these collisions do seem to happen and it'd improve the map if they could be intelligently detected, probably.

I do also understand this isn't a very easy problem to solve, but perhaps things can be partitioned by uplink/source node to some degree; when a given ID consistently gets similar names and positions from one uplink and gets a different similar set of names and positions from another uplink, the existence of a collision can maybe be inferred.