[HUDI-4822] Extract the baseFile and logFiles from HoodieDeltaWriteStat in the right way

[wombatu-kun]

Change Logs

Refactored method HoodieCommitMetadata.getFileSliceForFileGroupFromDeltaCommit to avoid doing the json tree walking.

Impact

none

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

none

Documentation Update

none

• The config description must be updated if new configs are added or the default value of the configs are changed
• Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the ticket number here and follow the instruction to make changes to the website.

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:

• a86a63764916ebf66d83acda7fd8a06cc20201b3 UNKNOWN
• dab7a26370e20f548a3734988dc2dd0ece087653 Azure: SUCCESS

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