* models, entity, and stored procs updated to work with EmailHashes with migrations
* configure data protection for EmailHashes
* update SendAuthenticationQuery to use EmailHashes and perform validation
* respond to Claude's comments and update tests
* fix send.sql alignment
Co-authored-by: mkincaid-bw <mkincaid@bitwarden.com>
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Co-authored-by: Alex Dragovich <46065570+itsadrago@users.noreply.github.com>
Co-authored-by: mkincaid-bw <mkincaid@bitwarden.com>
