Disable ResourceAccessTokens::InactiveTokensDeletionCronWorker by FF

What does this MR do and why?

!163461 (merged) was deployed to production at Sep 10, 2024, 19:03. It added cronjon that run daily. That job deletes inactive groups and projects access tokens. However, it was reported that that job removed active tokens !163461 (comment 2099500720). This MR disables that job by adding the FF. We should include this into %17.4 release.

See gitlab-com/gl-infra/production#18548 (comment 2099858179)

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.