feat: render vulnerability identifiers & solution

Epic: &10996 (closed)

Description

This change renders the vulnerability identifiers and solution fields in the security findings, whenever present.

Related Issues

Resolves #1164 (closed)

How has this been tested?

1. Checkout an open MR with security findings
   1. Example: gitlab-ui!3871 (merged) or another open MR in the gitlab-ui project should have security findings listed
2. Reload the extension
3. It should list the vulnerabilities under "Security scanning" tree item.
4. Selecting a vulnerability should render the identifiers and solution field

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation
• Chore (Related to CI or Packaging to platforms)
• Test gap