Improves UX of autodevops popover to match gpg one

What does this MR do?

Fixed popover behavior to match the gpg ones.

Screenshots (if relevant)

Screen_Recording_2017-09-29_at_02.06_PM

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Review
  • Has been reviewed by UX
  • Has been reviewed by Frontend
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together

What are the relevant issue numbers?

Closes #38582 (closed)