Fix focus state of neutral button on Special:UserLogin

See: I47578dd340b6c0d244e7696936a7bfa52c36f204
See: I39776b554909978094bfaa031b3ece6066f998ca
Change-Id: I19cf3fa5029d96fdd41b44c1c60693e4ee9683ef
Merge "Fix focus state of neutral button on Special:UserLogin"