* Add cancel button in the visualize editor
* Fixing i18n namespace
* Always show cancel button
* Always show cancel button
* Adding a fucntional test
* Show confirm dialog only if there are unsaved changes
* Show confirm modal only if there are changes
* Add onAppLeave handler and ditch confirmModal
* Fix functional test
* Only use onAppLeave if coming from dashboard/canvas
* Add actions.default to onSave and onSaveAndReturn
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>