Normalize usernames before putting them in the normalized type (#20220)
Normalize usernames before putting them in the normalized type (#20220)

* lowercase usernames in GAPU

* reorder imports

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client