Return unique Sbom::Component by name

Michał Zającrequested to merge
521711-project-dependency-list-component-filter-list-shows-duplicate-entries into master

What does this MR do and why?

We only use Sbom::Component#name when querying so the ID does not matter and there can be duplicated results in the dropdown if we don't filter them out.

Thanks to @bwill for pointing out my simple mistake

References

Related to #521711 (closed)

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