WIP public link separate token from path

[PVince81]

This was an attempt based on #2239 to separate the token from the path in public link. However this seems to be a rabbit hole that needs more attention later.

I'm leaving it in this PR for now for later reference / recycling.

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[kulmann]

Thanks for leaving this here! :-) Has been solved "already" during the last 1,5 years. Closing.