Fix help menu and reference snapshots

Author: jtpio

packages/help-extension/schema/plugin.json

@@ -12,11 +12,11 @@
           },
           {
             "type": "separator",
-            "rank": 10
+            "rank": 1
           },
           {
             "command": "help:shortcuts",
-            "rank": 11
+            "rank": 20
           }
         ]
       }

packages/help-extension/src/index.tsx

@@ -168,7 +168,7 @@ const plugin: JupyterFrontEndPlugin<void> = {
     }));
 
     if (menu) {
-      menu.helpMenu.addGroup(resourcesGroup, 20);
+      menu.helpMenu.addGroup(resourcesGroup, 30);
     }
   }
 };

packages/lab-extension/schema/interface-switcher.json

@@ -11,11 +11,11 @@
         "items": [
           {
             "command": "jupyter-notebook:open-notebook",
-            "rank": 1
+            "rank": 10
           },
           {
             "command": "jupyter-notebook:open-lab",
-            "rank": 1
+            "rank": 10
           }
         ]
       }