avoid "email" claim duplication when using AspNetIdentity with option…

[apylypchuk]

…s.ClaimsIdentity.EmailClaimType = JwtClaimTypes.Email;

At this point we cannot accept PRs for new features, only bugfixes. Thanks!

What issue does this PR address? avoid "email" claim duplication when using AspNetIdentity with options.ClaimsIdentity.EmailClaimType = JwtClaimTypes.Email;

Does this PR introduce a breaking change? nope, it will save from extra db call and avoid email claim duplication.

Please check if the PR fulfills these requirements

• [x] The commit follows our guidelines
• [ ] Unit Tests for the changes have been added (for bug fixes / features)

Other information:

[stale[bot]]

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