Suppress keyboard shortcuts in notebook output (#6825)

panel/_templates/doc_nb_js.js

@@ -6,15 +6,20 @@
     return
   }
   const py_version = docs[0].version.replace('rc', '-rc.').replace('.dev', '-dev.')
-  function embed_document(root) {
+  async function embed_document(root) {
     var Bokeh = get_bokeh(root)
-    Bokeh.embed.embed_items_notebook(docs_json, render_items);
+    await Bokeh.embed.embed_items_notebook(docs_json, render_items);
     for (const render_item of render_items) {
       for (const root_id of render_item.root_ids) {
 	const id_el = document.getElementById(root_id)
-	if (id_el.children.length && (id_el.children[0].className === 'bk-root')) {
+	if (id_el.children.length && id_el.children[0].hasAttribute('data-root-id')) {
 	  const root_el = id_el.children[0]
 	  root_el.id = root_el.id + '-rendered'
+	  for (const child of root_el.children) {
+            // Ensure JupyterLab does not capture keyboard shortcuts
+            // see: https://jupyterlab.readthedocs.io/en/4.1.x/extension/notebook.html#keyboard-interaction-model
+	    child.setAttribute('data-lm-suppress-shortcuts', 'true')
+	  }
 	}
       }
     }