TP-1758 language filter hovers

[IiroJarv]

Actions for applying the changes locally

lando composer install && lando drush deploy

Testing instructions

• Go to The search page
• Hover over the language filters
• Ensure pointer is show on hover
• Ensure the border color of the result count changes on hover

Review checklist

• The code conforms to Drupal coding standards.
• I have reviewed the code for security and quality issues.
• I have tested the code with the proper user roles.