Closes: #46593 #32635 #47924

Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Cole Miller <cole@zed.dev>

Release Notes:

- Fixed issues with signing into Copilot via the Settings UI

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Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Cole Miller <cole@zed.dev>
Co-authored-by: Zed Zippy <234243425+zed-zippy[bot]@users.noreply.github.com>
Co-authored-by: Anthony Eid <anthony@zed.dev>