Select password input field on login page load and wrong password input

[fryheid]

As described in #429

$nextTick was used, otherwise the query selector is too fast for the DOM $el.querySelector('input') is used on $refs.password, because the <input-password> tag splits into a <div> and <input> tag where ref="password" is put on the <div> tag, while select() is needed on the <input> tag

[mayankchhabra]

Merged! Thanks, again @stakingpoolspace!