Updated horizontal ellipsis icon for text-expander

What does this MR do?

Updates horizontal ellipsis icon for text-expander

Why was this MR needed?

#41283 (closed)

Screenshots (if relevant)

	Before	After
Repository (at top of file tree)
Repository > Commits list

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests added for this feature/bug
• 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
• End-to-end tests pass (package-and-qa manual pipeline job)

What are the relevant issue numbers?

#41283 (closed)

EE MR: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/5647