Adds jupyter-ui-toolkit packages in shared scope (jupyter#7530)

* Adds jupyter-ui-toolkit packages in shared scope

* reordering package names

Author: brichet

app/package.json

@@ -23,6 +23,8 @@
     "@jupyter-notebook/tree": "~7.3.0",
     "@jupyter-notebook/tree-extension": "~7.3.0",
     "@jupyter-notebook/ui-components": "~7.3.0",
+    "@jupyter/react-components": "^0.16.6",
+    "@jupyter/web-components": "^0.16.6",
     "@jupyter/ydoc": "~3.0.0",
     "@jupyterlab/application": "~4.3.2",
     "@jupyterlab/application-extension": "~4.3.2",
@@ -367,6 +369,8 @@
       "@codemirror/state",
       "@codemirror/view",
       "@jupyter-notebook/tree",
+      "@jupyter/react-components",
+      "@jupyter/web-components",
       "@jupyter/ydoc",
       "@jupyterlab/application",
       "@jupyterlab/apputils",