Fix pipeline graph hidden on commit and mr pages

What does this MR do?

Dynamically invokes new gl.Pipelines(); when an MR builds tab is clicked.

Dispatches new gl.Pipelines(); on a commit#builds page.

Are there points in the code the reviewer needs to double check?

Why was this MR needed?

The pipeline graph was hidden on commit and mr pages

Screenshots (if relevant)

Commit page:

MR:

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #23325 (closed)