Automatic merge from submit-queue (batch tested with PRs 52091, 52071)

Bugfix: Improve how JobController use queue for backoff

**What this PR does / why we need it**:

In some cases,  the backoff delay for a given Job is reset unnecessarily. 

the PR improves how JobController uses queue for backoff:
- Centralize the key "forget" and "re-queue" process in only on method.
- Change the signature of the syncJob method in order to return the
information if it is necessary to forget the backoff delay for a given
key.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
Links to #51153

**Special notes for your reviewer**:

**Release note**:

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