Internationalization: Translate page headers and Search dashboard actions (#60727)

* Fix: PageHeader & PageHeaderTabs & NavBarItem & DashboardActions & PanelMenu is displayed in default_language (#60719)

* I18N: update strings (#60719)

Co-authored-by: TaitChan <1441645821@qq.coom>

public/locales/en-US/grafana.json

@@ -253,6 +253,9 @@
       "subtitle": "Monitoring and infrastructure apps",
       "title": "Monitoring"
     },
+    "new": {
+      "title": "New"
+    },
     "new-dashboard": {
       "title": "New dashboard"
     },
@@ -347,13 +350,22 @@
   },
   "panel": {
     "header-menu": {
+      "copy": "Copy",
+      "create-library-panel": "Create library panel",
+      "duplicate": "Duplicate",
+      "edit": "Edit",
+      "explore": "Explore",
+      "get-help": "Get help",
       "hide-legend": "Hide legend",
       "inspect": "Inspect",
       "inspect-data": "Data",
       "inspect-json": "Panel JSON",
       "more": "More...",
+      "query": "Query",
+      "remove": "Remove",
       "share": "Share",
       "show-legend": "Show legend",
+      "unlink-library-panel": "Unlink library panel",
       "view": "View"
     }
   },
@@ -374,6 +386,14 @@
       "auto-refresh": "Set auto refresh interval"
     }
   },
+  "search": {
+    "dashboard-actions": {
+      "import": "Import",
+      "new": "New",
+      "new-dashboard": "New Dashboard",
+      "new-folder": "New Folder"
+    }
+  },
   "share-modal": {
     "dashboard": {
       "title": "Share"