* Add mechanism for imperatively showing modals
* Migration work in progress
* Reorganise save modal components
* use app events emmiter instead of root scope one
* Add center alignment to layoout component
* Make save buttons wotk
* Prettier
* Remove save dashboard logic from dashboard srv
* Remove unused code
* Dont show error notifications
* Save modal when dashboard is overwritten
* For tweaks
* Folder picker tweaks
* Save dashboard tweaks
* Copy provisioned dashboard to clipboard
* Enable saving dashboard json to file
* Use SaveDashboardAsButton
* Review
* Align buttons in dashboard settings
* Migrate SaveDashboardAs tests
* TS fixes
* SaveDashboardForm tests migrated
* Fixe some failing tests
* Fix folder picker tests
* Fix HistoryListCtrl tests
* Remove old import
* Enable fixed positioning for folder picker select menu
* Modal: show react modals with appEvents
* Open react modals using event
* Move save dashboard modals to dashboard feature
* Make e2e pass
* Update public/app/features/dashboard/components/SaveDashboard/SaveDashboardButton.tsx
* Hacking old vs new buttons to make all the things look like it's old good Grafana ;)
Co-authored-by: Alexander Zobnin <alexanderzobnin@gmail.com>