Move secondary index merge logic to MetadataPartitionType.combineMetadataPayloads
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Description
[https://github.com/apache/hudi/pull/12105/files#r1815875535]
We need to move [this logic|https://github.com/apache/hudi/blob/a7512a206c5a1e8ce251cac7a302632a57d8c848/hudi-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadata.java#L855-L858] inside `HoodieMetadataPayload.combineSecondaryIndexRecord`, and need to override `MetadataPartitionType.combineMetadataPayloads` for secondary index.
While updating secondary index, merging logic should follow same logic as readFromBaseAndMergeWithLogRecords API
## JIRA info
- Link: https://issues.apache.org/jira/browse/HUDI-8436
- Type: Sub-task
- Parent: https://issues.apache.org/jira/browse/HUDI-9096
- Fix version(s):
- 1.1.0
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