* Refactor DashboardPanel

* Refactor PanelEditor

* Fix missing initializer

* Update public/app/features/dashboard/components/PanelEditor/PanelEditor.tsx

Co-authored-by: Torkel Ödegaard <torkel@grafana.org>

* Simplify type

* Remove unused type

* Move prop connectors on top

Co-authored-by: Torkel Ödegaard <torkel@grafana.org>