mounter(ticdc): calculate raw bytes checksum by using handle (#11720)

[ti-chi-bot]

This is an automated cherry-pick of #11720

What problem does this PR solve?

Issue Number: close #11713

What is changed and how it works?

• use handle to calculate checksum v2. Ref txn: use handle to encode checksum instead of the key tidb#57139

Check List

Tests

• Unit 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

[codecov]

Codecov Report

Attention: Patch coverage is 30.00000% with 28 lines in your changes missing coverage. Please review.

Please upload report for BASE (release-8.5@5a10c36). Learn more about missing BASE report.

Additional details and impacted files

Components	Coverage Δ
cdc	59.6041% <0.0000%> (?)
dm	50.0673% <0.0000%> (?)
engine	53.2336% <0.0000%> (?)

Flag	Coverage Δ
unit	55.1480% <30.0000%> (?)

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

@@               Coverage Diff                @@
##             release-8.5     #11730   +/-   ##
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  Coverage               ?   55.1480%           
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  Files                  ?       1001           
  Lines                  ?     136507           
  Branches               ?          0           
================================================
  Hits                   ?      75281           
  Misses                 ?      55717           
  Partials               ?       5509           

[wk989898]

/retest

[ti-chi-bot]

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