Web UI opens but doesn't convert to Kotlin

[jmfayard]

First try

$ ./gradlew web:ui:run

✅ the ui shows up at http://0.0.0.0:8080
❌ but the rest api is not started, http://0.0.0.0:8080/test does not work

Second try

$ ./gradlew web:run

❌ the ui does not who up at http://0.0.0.0:8080
✅ but the rest api is started, http://0.0.0.0:8080/test works