Bug fixes

Fix: Content-type specific hooks can skip over a subsite homepage (https://git.drupalcode.org/project/localgov_subsites_extras/-/work_items...)

Add support to set a custom default tab using the activeTabIndex property.
Fix bug where using named keys breaks functionality.
Update example controller.

Fixes region_languages config schema uses invalid type "array", should be a sequence - #3593656

Fixes region_languages config schema uses invalid type "array", should be a sequence - 3593656

Allow new derivatives to be generated when visitors would not otherwise have access to its private source.