AppChrome: Improved responsive use of vertical space (#103488)

* Progress

* Progress

* Update

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* Responsive improvements

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* Revert height change

* Update

* add missing testid

* update

* Fixes

* update

* Refactoring

* fix bug in app chrome service

* Fixed e2e tests

* fix

* fix

* Update

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* fix bookmarks e2e

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* improve responsiveness on small screens for breadcrumbs

* Always use two levels when menu is docked

* Adding kiosk toggle button to dashboards only

* update

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* when menu is docked and no actions use 1 level

* removed formatting change that caused unnessary diff in PR

* remove extra separator line after merge with main

* Fix double separators

* Update

* remove temp change

* Update

pkg/services/featuremgmt/toggles_gen.json

@@ -3069,6 +3069,23 @@
         "frontend": true
       }
     },
+    {
+      "metadata": {
+        "name": "unifiedNavbars",
+        "resourceVersion": "1744174965165",
+        "creationTimestamp": "2025-04-05T06:53:21Z",
+        "annotations": {
+          "grafana.app/updatedTimestamp": "2025-04-09 05:02:45.165634 +0000 UTC"
+        }
+      },
+      "spec": {
+        "description": "Enables unified navbars",
+        "stage": "GA",
+        "codeowner": "@grafana/plugins-platform-backend",
+        "frontend": true,
+        "expression": "false"
+      }
+    },
     {
       "metadata": {
         "name": "unifiedRequestLog",