Refactor UserProfileImage class and fix coding standards
>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #2999732. --> Reported by: [voleger](https://www.drupal.org/user/3260314) >>> <p>Method <code>generateProfileImageURL</code> does not follow the naming convention and should be refactored before the stable release.<br> Also, the body of the method can be simplified.<br> Added comments, updated expected arguments type to expect an instance of \Drupal\user\UserInterface instead of an instance of Drupal\user\Entity\User only.</p>
issue