* Initial work on #19735
* Work in progress
* Remove ClusterRemoveDevicesView (anti-pattern)
* Misc cleanup
* Fix has_bulk_actions
* Fix has_bulk_actions for ObjectChildrenView
* Restore clone button
* Misc cleanup
* Clean up custom bulk actions
* Rename individual object actions
* Collapse into a single template tag
* Fix support for legacy action dicts
* Rename bulk attr to multi
* clone_button tag should fail silently if view name is invalid
* Clean up action buttons
* Fix export button label
* Replace clone_button with an ObjectAction
* Create object actions for adding device/VM components
* Move core_sync.html to core app
* Remove extra_bulk_buttons from template doc
