Remove superfluous whitespace in link to pipeline

What does this MR do and why?

This is a minor UI polish that removes the whitespace that is included in the link to a pipeline on the pipeline overview page. This is done to remove the trailing text underline on the link and make it look better.

Screenshots or screen recordings

Before	After

How to set up and validate locally

1. Go to a project with CI
2. Trigger a pipeline
3. In the sidebar, click on CI/CD > Pipelines
4. In the Pipeline column, see that the ID (prefixed with a # symbol) no longer has a trailing underline

MR acceptance checklist

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• I have evaluated the MR acceptance checklist for this MR.