Option to disable "Try our new editor" button

[fgreinacher]

Is your feature request related to a problem?

https://github.com/swagger-api/swagger-editor/pull/3385/files introduce some new items to the top bar. One of the is the "Try our new editor" button. We're self-hosting Swagger Editor for internal usage. The button will take people out of our self-hosted setup and they might not be aware of it.

Describe the solution you'd like

An option to disable the "Try our new editor" button, in the best cased similar to other options: https://github.com/swagger-api/swagger-editor#running-the-image-from-dockerhub

/cc @antoineauger @dlouzan

[char0n]

Changes released a docker image: swaggerapi/swagger-editor:v4.6.0

Using this version and above, there is no button present anymore.