[DT table] Combine 'groups that you own' with tooltip text

What does this MR do and why?

  • Combine tooltip text with the visible text, since there is almost no difference
  • Combine page description with the text above the table
  • Remove pagination from top since we have in on the bottom of the table
  • Fix table "jumping" while searching
  • Remove Beta note

References

Issues: #550452 (closed), #550447 (closed)

UX Paper Cuts Planning issue: #513103 (closed)

Screenshots or screen recordings

Before After
CleanShot_2025-06-20_at_14.21.23_2x CleanShot_2025-06-20_at_14.30.44_2x
CleanShot_2025-06-20_at_14.39.04 CleanShot_2025-06-20_at_14.35.05

How to set up and validate locally

  1. Go to http://gdk.test:3000/groups/new#import-group-pane
  2. Choose direct transfer. You can use https://gitlab.com and you personal access token (you can create it https://gitlab.com/-/user_settings/personal_access_tokens?page=1&state=active&sort=expires_asc)
  3. Play with the search

MR acceptance checklist

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

Related to #550452 (closed)

Edited by Julia Miocene

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