In other language menu and language variant menu are merged into a singular menu
with a toggle in page tools. This is the first step towards having better language
handling in the skin.
* Use template data for page tools if available
* ci: lint code to MediaWiki standards
Check commit and GitHub actions for more details
* emptyPortlet class is added by the core
* ci: lint code to MediaWiki standards
Check commit and GitHub actions for more details
* Update PageTools.php
* Set toolbox to always valid data
Co-authored-by: github-actions <github-actions@users.noreply.github.com>