Update AzureNetworkWatcher.json

point to dashboards fix

Dashboards/AzureNetworkWatcher.json

@@ -1861,6 +1861,10 @@
                   "name": "resourceGroup",
                   "value": "{Resource_Group}"
                 },
+                {
+                  "name": "workspaceName",
+                  "value": "{Workspace_Name}"
+                },
                 {
                   "name": "menuItemToOpen",
                   "value": "Dashboards"