[web] Fix form message errors aren't shown properly in bs5 auth pages GitOrigin-RevId: 9a94fe53647d224faf63bdd047bfa26463d385f1
[web] Migrate "Primary email check" page to bootstrap 5 and website-redesign styling GitOrigin-RevId: e233edafb8c5033c8fbd97088fa1ac840e2e572e