DataSourceList: Build a dashboard button to open new dashboard in panel edit with data source already set (#60532)

* New dashboard with preset data source

* Updates

* use replace instead

* Tests: fix failing tests

* Chore: add UID to the error message

Co-authored-by: Levente Balogh <balogh.levente.hu@gmail.com>

public/app/features/dashboard/components/AddPanelWidget/AddPanelWidget.tsx

@@ -75,6 +75,7 @@ export const AddPanelWidgetUnconnected = ({ panel, dashboard }: Props) => {
     const newPanel: Partial<PanelModel> = {
       type: 'timeseries',
       title: 'Panel Title',
+      datasource: panel.datasource,
       gridPos: { x: gridPos.x, y: gridPos.y, w: gridPos.w, h: gridPos.h },
     };