sql: fix small race in distIndexBackfiller #75857
Merged
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This fixes a small race condition in
distIndexBackfiller. updateJobDetails calls SetResumeSpansInJob which
mutates the ResumeSpanList in the job details. Normally, this is only
called from the periodic updater. However, when the testing knob
AlwasyUpdateIndexBackfillDetails is set, we also update it on every
ProducerMetadata message we get back
Release note: None