Add labels icon with tooltip for certain tags

What does this MR do and why?

Distinguish Docker manifest lists and OCI index tags on the container registry with icon/tooltip text.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

How to set up and validate locally

1. Setup container registry https://gitlab.com/gitlab-org/gitlab-development-kit/blob/main/doc/howto/registry.md
2. Visit Project > Deploy > Container Registry
3. View tags

Related to #408865 (closed)