Story #68805: Replace current icons in the core by using the new Icon-API
Replace icon by the IconFactory actions-edit-hide and actions-edit-unhide
Register the icon "actions-edit-hide" and replace the iconUtility calls for that icon with the IconFactory.
[TASK] Replace sprite icon for visibility with IconFactory
Replaces all IconUtility::getSpriteIcon calls for the icon
actions-edit-hide and actions-edit-unhide with the new IconFactory.
Reviewed-by: Daniel Goerz <email@example.com>
Tested-by: Daniel Goerz <firstname.lastname@example.org>
Reviewed-by: Frank Nägler <email@example.com>
Tested-by: Frank Nägler <firstname.lastname@example.org>