* fix(registry) EE-1861 improve registry selection (#5899)
* fix(registry) EE-1861 hide anonymous dockerhub registry if user has an authenticated one
* fix(registry) EE-1861 pick up a best match dockerhub registry
* fix(registry) EE-1861 set the anonymous registry as default if it is shown
* fix(registry) EE-1861 refactor how to match registry
Co-authored-by: Simon Meng <simon.meng@portainer.io>
* fix(registry) EE-1861 fail to select registry with same name
* fix(registry) EE-1861 show registry modal when pull and push image
* fix(registry) EE-1861 cleanup code
Co-authored-by: Simon Meng <simon.meng@portainer.io>