Update By Pipeline page to allow filtering by pipeline name

For the Adoptium TRSS instance, https://trss.adoptium.net/tests/Test shows a view of all the pipelines at Adoptium, with ~6 builds per pipeline.

There is also a Search box with text 'Search output', that when for example input text "blob" and searched, goes to https://trss.adoptium.net/searchResult?searchText=blob

I haven't gotten any results from it so I'm not sure what it searches for.

It would be nice if I could filter this view to only show pipelines that match my text of choice. For example, 'release' to see the release pipelines (which we've named release-openjdk$ver-pipeline) or 'evaluation' for the evaluation pipelines (which we've named evaluation-openjdk$ver-pipeline), and so on.

And it would be great if this was URL based like the existing Search Box so I could bookmark the search for future visits. E.g. something like https://trss.adoptium.net/tests/Test?filterText=release

Start at the /tests/Test view and compare its existing Search output flow, including the /searchResult?searchText=... URL. Trace how the pipeline list is rendered and how query parameters are handled; done means filtering by pipeline name works and a URL such as /tests/Test?filterText=release can be bookmarked and revisited.

Written by the indexing model from the issue text.