Report does not render correctly in Firefox

[msymons]

Describe the bug

The "Dependency Track Report" that is displayed within Jenkins seems to render fine using Chrome Browser & Microsoft Edge (tested both with v87) but does not render correctly when using Firefox (tested with v83.0)

Environment

• Plugin Version: 3.0.0
• Jenkins Version: 2.263.1
• Java Version for Jenkins: OpenJDK 1.8.0_262-b10
• Type of Jenkins Job: classic and scripted pipeline
• Dependency-Track Version: 3.7.1
• Browser: Firefox 83.0

To Reproduce

Steps to reproduce the behavior:

1. Run a job in Jenkins that makes use of Dependency-Track plugin
2. After build is complete, click on 'Dependency-Track Report' whilst using Firefox browser
3. Report renders per screenshot above
4. View the report using either Chrome or Edge browser... rendering seems fine.

Expected behavior

Report should render correctly on Firefox as well as on Chrome or Edge (did not test with other browsers).

[sephiroth-j]

confirmed ... the preload keyword for the rel attribute of the <link> element is still experimental in Firefox.

[msymons]

Tested using v3.0.1 and looking good!