Fix `stop-at-first-match` in headless mode fuzzing

[RamanaReddy0M]

Proposed changes

• closes #5308

Checklist

• [x] Pull request is created against the dev branch
• [x] All checks passed (lint, unit/integration/regression tests etc.) with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)