fixing issue https://github.com/woocommerce/woocommerce/issues/28774

[79mplus-admin]

Trimming the password before updating

Changes proposed in this Pull Request:

Closes #28774

How to test the changes in this Pull Request:

1. Go to "my-account/edit-account/".
2. Change to a new password, including leading spaces.
3. Now log in again with the new password.
4. Attempt to change the password again, entering the old password with the leading spaces.
5. The password will be changed successfully. Previously, it used to give the error message "Your current password is incorrect."

[github-actions]

Hi ,

Apart from reviewing the code changes, please make sure to review the testing instructions as well.

You can follow this guide to find out what good testing instructions should look like:
https://github.com/woocommerce/woocommerce/wiki/Writing-high-quality-testing-instructions