Truncate long vulnerability names on security report

What does this MR do?

When viewing the security report for a MR:

Vulnerabilities with long names will be shown on a new line rather than in line with the severity badge. This MR truncates the text so that it stays on one line:

Before	After

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