consumer(ticdc): adjust kafka consumer update watermark logic

[3AceShowHand]

What problem does this PR solve?

Issue Number: close #10223

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

None

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[3AceShowHand]

/retest

[3AceShowHand]

/retest

[purelind]

/test all

[codecov[bot]]

Codecov Report

Merging #10529 (115b694) into master (833943f) will increase coverage by 0.0280%. Report is 67 commits behind head on master. The diff coverage is 88.6597%.

Additional details and impacted files

Components	Coverage Δ
cdc	62.0290% <88.6597%> (+0.0707%)	:arrow_up:
dm	51.2197% <ø> (-0.0182%)	:arrow_down:
engine	63.4025% <ø> (-0.0142%)	:arrow_down:

Flag	Coverage Δ
unit	57.6136% <88.6597%> (+0.0280%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

@@               Coverage Diff                @@
##             master     #10529        +/-   ##
================================================
+ Coverage   57.5856%   57.6136%   +0.0280%     
================================================
  Files           849        849                
  Lines        126707     126772        +65     
================================================
+ Hits          72965      73038        +73     
+ Misses        48279      48272         -7     
+ Partials       5463       5462         -1     

[3AceShowHand]

/retest

[3AceShowHand]

/test cdc-integration-kafka-test

[3AceShowHand]

/test all

[3AceShowHand]

/retest

[3AceShowHand]

/test cdc-integration-kafka-test

[3AceShowHand]

/test cdc-integration-storage-test

[3AceShowHand]

/test cdc-integration-mysql-test

[3AceShowHand]

/retest

[ti-chi-bot[bot]]

PR needs rebase.

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[ti-chi-bot[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-kafka-test	115b694467e3554c8541957005b3120504a864fa	link	true	/test cdc-integration-kafka-test

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