Paginate environments bundle

What does this MR do?

Result of merging !9169 (merged), !9090 (merged) and !8954 (merged)

Add pagination to environments table with new API:

• Removes environments calculations to have the counts of available and stopped environments
• Removes filtered environments function to transform into a folder structure
• Removes recursive table row rendering - the first iteration of new UX does not show an open folder with children environments
• Adds pagination for environments table.
• Reuses table pagination component.
• Adds Folder URL
• Adds folder subview
• Extracts table into reusable component
• Extracts latest key added in the FE to avoid a lot of verifications and to make it reusable between both endpoints/views

Screenshots

Index	Folder

Does this MR meet the acceptance criteria?

• Changelog entry added
• 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?

Closes #25499 (closed)

@zj What do you think about adding corresponding controller specs?

enabled an automatic merge when the pipeline for ea7c7769 succeeds

Enabled auto merge. I reviewed all those 3MRs and made a smoke testing session with @filipa. So this should be good to go 🤞

mentioned in commit f15340e0

merged

mentioned in merge request gitlab-com/www-gitlab-com!4780 (merged)