### Describe the bug. Errors are underlined in red in editor, but there is no actual error message presented ### Expected behavior Error message (shown in progressbar on the right) should also be shown on mouse-over ### Screenshots  ### How to Reproduce 1. Create version 2 json 2. Provoke error (like invalid reference) 3. Move mouse over error ### 🥦 Browser None ### 👀 Have you checked for similar open issues? - [X] I checked and didn't find similar issue ### 🏢 Have you read the Contributing Guidelines? - [X] I have read the [Contributing Guidelines](https://github.com/asyncapi/.github/blob/master/CONTRIBUTING.md) ### Are you willing to work on this issue ? None