[openstreetmap-website] Permalinks break when user changes their display name (#482)

[Paul Norman]

Something that some forums is a link like `/user/Joe Smith-123`

But yes, :+1: for link stability. Vandalism with changing user names would be hard to handle with some of our current tools.

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Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/issues/482#issuecomment-24501893
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