Add missing UX for "License features applied to Groups or individuals"

What does this MR do?

• Adds badges to the admin dashboard user and group indexes indicating whether that user or group is a part of a plan.
• Adds a field to the admin dashboard show user and show group pages indicating the selected plan

group index	user index	group show

Does this MR meet the acceptance criteria?

• [ ] Changelog entry added, if necessary
• [ ] Documentation created/updated
• [ ] API support added
• Tests
  • [ ] Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Related to: #2019