Fix the scroll behavior for emoji/mention list (#28597)

Fix #28595 by https://github.com/github/combobox-nav/pull/79 (combobox-nav v2.3.1)

package-lock.json

@@ -996,9 +996,9 @@
       }
     },
     "node_modules/@github/combobox-nav": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/@github/combobox-nav/-/combobox-nav-2.3.0.tgz",
-      "integrity": "sha512-5CX03DbsLZ41dX5hKHyQKtg133U6lruX4TD9G0Zs4W8BpWy7lN8DJ6TYaeZN/V7x8K34coaqNYk/Y5ic7stfkg=="
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@github/combobox-nav/-/combobox-nav-2.3.1.tgz",
+      "integrity": "sha512-gwxPzLw8XKecy1nP63i9lOBritS3bWmxl02UX6G0TwMQZbMem1BCS1tEZgYd3mkrkiDrUMWaX+DbFCuDFo3K+A=="
     },
     "node_modules/@github/markdown-toolbar-element": {
       "version": "2.2.1",