Fix password validation; add autocomplete attributes

[somebody1234]

Pull Request Description

• Fixes https://github.com/enso-org/cloud-v2/issues/690
  • Fixes password validation never becoming successful after failing once

Other changes:

• Add autocomplete attributes (Chrome said I should so 🤷)

Important Notes

None

Checklist

Please ensure that the following checklist has been satisfied before submitting the PR:

• The documentation has been updated, if necessary.
• Screenshots/screencasts have been attached, if there are any visual changes. For interactive or animated visual changes, a screencast is preferred.
• All code follows the
  Scala,
  Java,
  and
  Rust
  style guides. In case you are using a language not listed above, follow the Rust style guide.
• All code has been tested:
  • Unit tests have been written where possible.
  • If GUI codebase was changed, the GUI was tested when built using ./run ide build.

[PabloBuchu]

Looks like it is working: login, registration, password recovery etc