Add evidence and scanner fields to standalone vulnerability page

NOTE: Please do not merge this MR until !32370 (merged) is merged.

What does this MR do?

Issues that this MR resolves:

#217552 (closed)	Evidence summary no longer appears on the vulnerability finding
#217430 (closed)	Add scanner name, version and URL - Standalone Vulnerability Page

This MR adds the evidence and scanner fields to the standalone vulnerability page:

Note that the backend currently only provides the scanner name. The URL and version has not been implemented yet.

How to test locally

https://gitlab.com/snippets/1956676

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done