Resolve "Group dashboard > Line height is too tall for group names"

What does this MR do?

Solves formatting bugs in the Group dashboard: Line height is too tall for group names and group description text truncates without using an ellipsis

Screenshots (if relevant)

• Line height too tall
• Description text truncating without an ellipsis

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Conforms to the code review guidelines
  • Has been reviewed by a UX Designer
  • Has been reviewed by a Frontend [maintainer]
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• If you have multiple commits, please combine them into a few logically organized commits by squashing them

What are the relevant issue numbers?

Closes #46703 (closed) and #50064 (closed)