Use vulnerability finding report type for feedback category

What does this MR do?

This MR changed the Vulnerability Feedback category to use the same values as the Vulnerability Finding report type. This will remove the need to make a change in multiple locations if the value changes.

Screenshots

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

This change is minimal risk, as the values should be equal.

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.