Feature/cleanup metadata panel

[tynandebold]

Description

Resolves #962.

Development notes

This PR achieves these three things:

1. Dataset Type: show only the part after the final . but allow the whole path to be visible when hovering over the text.
2. Remove the trailing slash from the File Path text field.
3. Remove the Pipeline field, as it's always precisely the same as the registered pipeline dropdown value.

QA notes

Take a look at the GitPod link and check against the three points in the section above.

Checklist

• [x] Read the contributing guidelines
• [ ] Opened this PR as a 'Draft Pull Request' if it is work-in-progress
• [ ] Updated the documentation to reflect the code changes
• [ ] Added new entries to the RELEASE.md file
• [ ] Added tests to cover my changes