[DNM] consumer(ticdc): do not sort events

[3AceShowHand]

What problem does this PR solve?

Issue Number: close #xxx

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Check List

Tests

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• Integration test
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[3AceShowHand]

/retest

[3AceShowHand]

/retest

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[ti-chi-bot]

@3AceShowHand: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-cdc-integration-pulsar-test	4bcbb56	link	true	/test cdc-integration-pulsar-test

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