Automatic merge from submit-queue (batch tested with PRs 51480, 49616, 50123, 50846, 50404)
getHashEquivalencePod should return if equivalence pod is found
Signed-off-by: sakeven <jc5930@sina.cn>
**What this PR does / why we need it**:
getHashEquivalencePod should return if equivalence pod is found, rather than simply check equivalenceHash equals to 0 later.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
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NONE
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