MQE: fix issue where slice is used after being returned to pool #11408
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What this PR does
This PR fixes an issue where a
SeriesMetadataslice is used after being returned to the pool. This could lead to unexpected behaviour, including incorrect query results and panics.Which issue(s) this PR fixes or relates to
(none)
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX].about-versioning.mdupdated with experimental features.