feat(alerting): link to dashboard goes directly to alerting tab

public/app/features/alerts/partials/alerts_page.html

@@ -30,7 +30,7 @@
 				</a>
 			</td>
 			<td class="text-center">
-				<a href="dashboard/{{alert.dashboardUri}}?panelId={{alert.panelId}}&fullscreen&edit" class="btn btn-inverse btn-small">
+				<a href="dashboard/{{alert.dashboardUri}}?panelId={{alert.panelId}}&fullscreen&edit&editorTab=Alerting" class="btn btn-inverse btn-small">
 					<i class="fa fa-edit"></i>
 					edit
 				</a>