* hacky first attempt
* slightly cleaner...
* behaviour mostly working...
* remove unnecessary wrapper
* css tweaks
* much cleaner implementation with intersectionobserver
* set style props directly on children
* separate story, integrate when toggle is off
* improve story, integrate when toggle is on
* remove styles from DashNavTimeControls
* mock IntersectionObserver for all unit tests
* prettier
* don't use dropdown anymore
* add some basic documentation
* add right alignment to scenes toolbarbuttonrow
* just use the react children api to prevent duplicating children
* Initial work on new toolbar button
* Minor step
* Small progress
* Minor progress
* Minor fix
* removed console.log
* Removing stuff we don't need yet
* First stab at new page layouts behind feature toggle
* Simplifying PageHeader
* Progress on a new model that can more easily support new and old page layouts
* Progress
* rename folder
* Progress
* Minor change
* fixes
* Fixing tests
* Make breadcrumbs work
* Add tests for old Page component
* Adding tests for new Page component and behavior
* fixing page header test
* Fixed test
* AppChrome outside route
* Renaming folder
* Minor fix
* Updated
* Fixing StoragePage
* Fix for banners
Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>