Update dashboard properties widget style for Reflow (#9976)

* layout properties in 2 columns

* fix height after collapsing

* update with reflow values

* set height better

* cleanup

* fix crashing when resizing while properties widget is loading

* Switch to grid layout

* Only two columns max

* Update comment

* Undo color change

* Cleanup

* Fix test

Co-authored-by: chgagnon <chgagnon@microsoft.com>

src/sql/workbench/contrib/dashboard/browser/contents/dashboardWidgetWrapper.component.ts

@@ -165,6 +165,10 @@ export class DashboardWidgetWrapper extends AngularDisposable implements OnInit
 		this._actionbar.pull(this._actionbar.length() - 1);
 	}
 
+	public get component(): IDashboardWidget {
+		return this._component;
+	}
+
 	private loadWidget(): void {
 		if (Object.keys(this._config.widget).length !== 1) {
 			this.logService.error('Exactly 1 widget must be defined per space');