Updates to support FFXIV patch 6.20
Also includes job definition updates contributed by Xiashtra.
Community note: The popular ACT OverlayPlugin has moved to a new maintainer & repository for now due to breaking changes in FFXIV patch 6.20. This unfortunately requires manual steps to update. Please follow the steps listed here: https://overlayplugin.github.io/OverlayPlugin/fork_update.html