Site admin password fields should use password config element

Prerequisites:

1. Server with Solr setup. To set up on Linux:
   1. Install SOLR PHP extension.

      sudo apt install php-solr

   2. Restart Apache.

      sudo service apache2 restart

   3. Install SOLR 7 docker container.

      docker run --name solr7 -d -p 8983:8983 -t solr:7

   4. Create index for your Moodle instance (e.g. integrationmaster).

      docker exec -it --user=solr solr7 bin/solr create_core -c integrationmaster

Test

1. Visit Site Administration > Plugins > Search > Solr.
2. CONFIRM the HTTP authentication password field is a password unmask config element.
3. Visit Site administration > Plugins > Activity modules > Quiz.
4. CONFIRM the Require password field is a password unmask config element with and Advanced checkbox in the right.