Draft: Skip email OTP during grace period

What does this MR do and why?

Allow user to skip entering Email OTP if they are in grace period, which means the value of email_otp_required_after is within the next 30 days.

References

Re: https://gitlab.com/gitlab-org/gitlab/-/issues/554389+s

Screenshots or screen recordings

Before	After

1. User is not in email OTP grace period

Screen_Recording_2025-09-11_at_6.58.33_PM

2. User is in email OTP grace period

Screen_Recording_2025-09-11_at_6.55.54_PM

How to set up and validate locally

MR acceptance checklist

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