fix: ui node input attributes key added

[misamu]

Pattern for UI to show error when code field has other characters than numeric.

Related issue(s)

Elements issue 78

Checklist

• I have read the contributing guidelines.
• I have referenced an issue containing the design document if my change
  introduces a new feature.
• I am following the
  contributing code guidelines.
• I have read the security policy.
• I confirm that this pull request does not address a security
  vulnerability. If this pull request addresses a security vulnerability, I
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  the changes.
• I have added tests that prove my fix is effective or that my feature
  works.
• I have added or changed the documentation.

Further Comments

[aeneasr]

Awesome, thank you for your contribution! This looks pretty good and I have some ideas how to improve it further :)

[aeneasr]

To get tests passing, you'll need to update the snapshots. IIRC you can do this with make test-refresh or make refresh

[jonas-jonas]

make test-update-snapshots updates the snapshots. :) Could maybe align that name with the other projects.

[misamu]

Running test-update-snapshots updates JSON with the pattern, but I get FAIL github.com/ory/kratos/selfservice/strategy/password and can't see any obvious reason for that failure.

[davidspek]

Is this still being worked on?

[hperl]

Closed in favor of #3561