Resolve "View issue button doesn't work in dashboard modal"

What does this MR do?

Fixes the "view issue" button in the group security dashboard.

The issue was that the modal was looking for "issueFeedback.issue_url" but the data had it stored as "issue_feedback.issue_url". A simple find and replace to keep the security reports consistent with the dashboard dd the job.

What are the relevant issue numbers?

Closes #8370 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides