BR restore data alter the key cause the old value checksum verification failed

[3AceShowHand]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

The same to pingcap/tiflow#11713

1. BR restore a lot of data which carries checksum v2
2. run some workload to update the rows, generates old value carried events, such as update and delete.
3. TiCDC changefeed replicate data.

2. What did you expect to see? (Required)

The changefeed should works normally

3. What did you see instead (Required)

The changefeed report error

4. What is your TiDB version? (Required)

v8.4.0