FIX: missing autocomplete values for passwords

[GrimLink]

This fixes the incorrect autocomplete values in Admin Account Settings, as explained in issue #40179

Description (*)

This adds the missing HTML autocomplete attributes to the password fields.

Fixed Issues

1. Fixes Incorrect autocomplete values in Admin Account Settings #40179

Manual testing scenarios (*)

1. Got to the Magento 2 admin page.
2. Navigate to the Admin User Setting
3. In this form you will see that the autocomplete value for the new-password is set using autocomplete

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update
• All automated tests passed successfully (all builds are green)
  While the tests fail, this not related to this PR.

[m2-assistant]

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[ct-prd-pr-scan]

The security team has been informed about this pull request due to the presence of risky security keywords. For security vulnerability reports, please visit Adobe's vulnerability disclosure program on HackerOne or email psirt@adobe.com.

[ct-prd-pr-scan]

The security team has been informed about this pull request due to the presence of risky security keywords. For security vulnerability reports, please visit Adobe's vulnerability disclosure program on HackerOne or email psirt@adobe.com.

[GrimLink]

@magento run all tests

[ct-prd-pr-scan]

The security team has been informed about this pull request due to the presence of risky security keywords. For security vulnerability reports, please visit Adobe's vulnerability disclosure program on HackerOne or email psirt@adobe.com.

[ct-prd-pr-scan]

The security team has been informed about this pull request due to the presence of risky security keywords. For security vulnerability reports, please visit Adobe's vulnerability disclosure program on HackerOne or email psirt@adobe.com.