Drawer: Position under nav & minor redesign (#67824)

* Drawer: Redesign WIP

* Fix double margin

* Teak pos

* align paddings

* Hide toolbar actions when drawer is open

* deprecate expandable

* Updated test

* remove expandable var

* Added clickaway

public/app/features/dashboard/components/SaveDashboard/SaveDashboardDrawer.tsx

@@ -140,7 +140,6 @@ export const SaveDashboardDrawer = ({ dashboard, onDismiss, onSaveSuccess, isCop
           )}
         </TabsBar>
       }
-      expandable
       scrollableContent
     >
       {renderSaveBody()}