Make bridge/child pipelines clickable

What does this MR do?

Makes a pipeline navigation hopefully much nicer :)

This makes a trigger_child[0-9] clickable. The click moves to a new window with a child pipeline only presented.

The Parent View

The Child View after clicking trigger_child[0-9]

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done