fix(hysteria): unwrap stats conn before extracting user#5870
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fix(hysteria): unwrap stats conn before extracting user#5870
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proxy/hysteria/server.go extracts the user from conn before unwrapping stats wrappers.
If the connection is wrapped, conn.(User) may fail even though the underlying Hysteria connection implements User() *protocol.MemoryUser.
As a result, inbound.User may remain nil and AccessMessage.Email stays empty.
Fix
Unwrap the stats connection first and then extract the user from the underlying connection.
Related to #5868