[HUDI-7911] Enable cdc log for MOR table

[danny0405]

Change Logs

Enables the cdc logs for MOR compaction, and integrate it with the Flink incremental reader.

Impact

none

Risk level (write none, low medium or high below)

low

Documentation Update

• introduce a new config option for Flink reader: 'read.cdc.from.changelog'

Contributor's checklist

• [ ] Read through contributor's guide
• [ ] Change Logs and Impact were stated clearly
• [ ] Adequate tests were added if applicable
• [ ] CI passed

[hudi-bot]

CI report:

• 10a1bfa29f57d5836238c21f11caa96c6d185354 Azure: SUCCESS

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