Initial implementation of the 'toggle_shortcut' feature, based on MR 70.
https://www.drupal.org/project/admin_toolbar/issues/3304810
Initial implementation of enable_toggle_shortcut configuration, based on the work from MR !70 by @sascha_meissner @Grevil and @thomas.frobieter.
- Added configuration setting
enable_toggle_shortcut(withinstallandschema) toadmin_toolbaras a checkbox field enabled by default, in theAdvancedsection of the settings form. - Updated module's logic to load added
toggle_shortcutlibrary based on configuration. - Updated CSS and JS logic based on existing work for the
sticky_behavior(MR !123 (merged)). - Added basic Functional Tests.