Add autocomplete attribute to password field

[joshbonnick]

This PR adds an autocomplete attribute to the default login form. Previously the form would produce a warning in Chromium browsers due to the lack of an autocomplete attribute.

Warning:
[DOM] Input elements should have autocomplete attributes (suggested: "current-password"): (More info: https://goo.gl/9p2vKq)

• Changes have been thoroughly tested to not break existing functionality.
• New functionality has been documented or existing documentation has been updated to reflect changes.
• Visual changes are explained in the PR description using a screenshot/recording of before and after.

[what-the-diff]

PR Summary

• Enhancement in Login Feature
  Changes in the Login.php file led to an improvement in the user login process. This was achieved by modifying the getPasswordFormComponent method that is responsible for password-related operations during login. Additionally, utilization of a new method autocomplete (set to 'current-password') ensures that the system can recognize and propose the current password to the user, streamlining their login process.