Allow usage of any_projects? with an Array

What does this MR do?

This MR updates ProjectsHelper#any_projects? so it supports the use of an Array.

See https://gitlab.com/gitlab-org/gitlab-ce/issues/36461 for more info.

Does this MR meet the acceptance criteria?

• Tests added for this feature/bug
• Review
  • Has been reviewed by Backend
  • Has been reviewed by Database
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together