Navigation: Hide Undock menu button when docked (#76965)

* small dock menu exploration

* fix e2e tests

* revert back to web-section-alt

packages/grafana-e2e-selectors/src/selectors/components.ts

@@ -257,7 +257,7 @@ export const Components = {
       button: 'Configuration',
     },
     Toggle: {
-      button: 'Toggle menu',
+      button: 'data-testid Toggle menu',
     },
     Reporting: {
       button: 'Reporting',