Add license check to cs for registry
What does this MR do and why?
Add license check container_scanning_for_registry_available to feature enable/disable button.
GitLab Container Registry: Continuous Vulnerabi... (&2340 - closed) is an GitLab Ultimate feature. The Vulnerability page and CVS are exclusively available to "GitLab Ultimate" customers, although free users can still toggle features and automate pipelines on container image pushes.
This MR make sure that only Ultimate customers will have access to this feature.
MR acceptance checklist
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Issue
Edited by Aditya Tiwari