Define userName variable distinct from eppn in federated mapper

This change is motivated by the need to set userName to a value other than default value of eppn for federated preauthenticated users. The intended use case is UW Digital ID, where we plan to use SPVI as the username for the purposes of the RequestOnBehalfOfFilter.

@paul.erickson @bkeen @npblair

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thumbs up!

This is being written because, for whatever reason, an Authentication's Principal is not a fully-hydrated UWUserDetails object. We seem to only be able to get the Principal's username, which is eppn.

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• ffcf3b08 - add camel-case header values where needed. improve debug logging

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Added 1 commit:

• 96c3622a - updated headers in unit tests for consistency

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mentioned in commit 42c520d6

Status changed to merged