chore: Add missing peerDependencies enforced by webpack

Co-authored-by: Mikko Aspiala <mikko.aspiala@gmail.com>

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

packages/technical-features/react-application/package.json

@@ -40,6 +40,7 @@
     "@ogre-tools/injectable-react": "^15.1.2",
     "lodash": "^4.17.15",
     "mobx": "^6.8.0",
+    "mobx-react": "^7.6.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2"
   },