Cookoff - Fix wrong origin for 1 fire jet in fire ring

[johnb432]

When merged this pull request will:

• Title. Bug has existed since the beginning.
• Minor code optimisations & cleanup.

IMPORTANT

• If the contribution affects the documentation, please include your changes in this pull request so the documentation will appear on the website.
• Development Guidelines are read, understood and applied.
• Title of this PR uses our standard template Component - Add|Fix|Improve|Change|Make|Remove {changes}.