fix crash when creating initials for user without first and last name (…

…#2364)

* render AU in the menu if the user does not have first and last name

* render user icon when the initials are not available

* fix line

* fix lint

* actually fix lint

* i'm paying for saying actually

* update icon snapshot

* i have no idea why these updated

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Co-authored-by: staxly[bot] <35789409+staxly[bot]@users.noreply.github.com>