LG-9709: Add autocomplete attribute to password fields

[aduth]

🎫 Ticket

LG-9709

🛠 Summary of changes

Adds autocomplete attributes to every password field in the application, set to either new-password or current-password based on context of the field's usage.

Related resources:

• https://web.dev/sign-in-form-best-practices/#new-password
• https://web.dev/sign-in-form-best-practices/#current-password
• https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/autocomplete#sect14
• https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/autocomplete#sect15

The practical impact of this can be improved autofill options offered by the browser. See screenshots for an example.

📜 Testing Plan

• Verify that autocomplete still works as expected in your browser for affected password fields.

👀 Screenshots

Example showing effect of [autocomplete=new-password] in Chrome:

Before	After

[aduth]

Default display of custom elements is inline, which can cause some unexpected layout if not otherwise accounted for. This was previously fine in the account creation flow because sibling elements were block elements so it appeared standalone, but usage in the preview page was broken without.

Before	After

[zachmargolis]

LGTM