Re-align project title row and repo button containers

What does this MR do?

Re-aligns the project title row and the right-side button containers to share width 50/50.
Clone button no longer wraps on large star/fork numbers.

What are the relevant issue numbers?

Closes #55287 (closed).

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.
• Security reports checked/validated by reviewer