fix: build prod

Author: echarles

package.json

@@ -72,7 +72,7 @@
   },
   "dependencies": {
     "@datalayer/icons-react": "^0.3.4",
-    "@datalayer/jupyter-react": "^0.18.12",
+    "@datalayer/jupyter-react": "^0.19.0",
     "@datalayer/primer-addons": "^0.3.1",
     "@datalayer/primer-rjsf": "0.0.8",
     "@jupyterlab/application": "^4.0.0",
@@ -136,6 +136,7 @@
     "svg-url-loader": "^7.1.1",
     "ts-jest": "^29.0.5",
     "typescript": "5.0.3",
+    "url-loader": "^4.0.0",
     "webpack": "5.94.0",
     "webpack-bundle-analyzer": "^4.5.0",
     "webpack-cli": "^4.10.0",
@@ -252,7 +253,57 @@
     "extension": "lib/jupyterlab/index.js",
     "outputDir": "jupyter_manager/labextension",
     "schemaDir": "schema",
-    "webpackConfig": "./webpack.lab-config.js"
+    "webpackConfig": "./webpack.lab-config.js",
+    "sharedPackages": {
+      "react": {
+        "bundled": false,
+        "singleton": true
+      },
+      "react-dom": {
+        "bundled": false,
+        "singleton": true
+      },
+      "@datalayer/icons-react": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@datalayer/jupyter-react": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@datalayer/ui": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@jupyter/docprovider": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@jupyterlite/contents": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@jupyterlite/kernel": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@jupyterlite/pyodide-kernel": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@jupyterlite/server": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@primer/react": {
+        "bundled": true,
+        "singleton": true
+      },
+      "@primer/react-brand": {
+        "bundled": true,
+        "singleton": true
+      }
+    }
   },
   "jupyter-releaser": {
     "hooks": {