fix: add missed devDeps in new create-react-app

Author: snoh666

Diff for: package.json

@@ -179,6 +179,7 @@
     "treeview"
   ],
   "dependencies": {
+    "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
     "flux": "~4.0.1",
     "react-base16-styling": "~0.6.0",
     "react-lifecycles-compat": "~3.0.4",