[Bug]: database level cdc test which include start-ts and end-ts failed

[heni02]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Branch Name

main

Commit ID

1b85136

Other Environment Information

- Hardware parameters:
- OS type:
- Others:

Actual Behavior

创建pitr的时间（utc时间）：

创建database level同步任务指定时间，下游只创建了ddl，但没有收到同步数据：

同步时间mo log（创建开始到删除时间：14:28:59-15:01:12）

https://shanghai.idc.matrixorigin.cn:30001/explore?panes=%7B%225wK%22:%7B%22datasource%22:%22loki%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22expr%22:%22%7Bnamespace%3D%5C%22mo-cdc-test%5C%22%7D%20%7C%3D%20%60cdc_database%60%22,%22queryType%22:%22range%22,%22datasource%22:%7B%22type%22:%22loki%22,%22uid%22:%22loki%22%7D,%22editorMode%22:%22builder%22%7D%5D,%22range%22:%7B%22from%22:%221736404138000%22,%22to%22:%221736406120000%22%7D%7D%7D&schemaVersion=1&orgId=1

Expected Behavior

No response

Steps to Reproduce

create  pitr pitr_db for database ac1_db range 24 'h';
./mo_cdc task create --task-name "cdc_database" --source-uri="mysql://ac1:admin:[email protected]:6001" --sink-type="mysql" --sink-uri="mysql://root:xxx@10.222.1.129:3306" --start-ts='2025-01-09 06:00:00' --end-ts='2025-01-09 14:30:00'  --databases="ac1_db:ac1_db_mysql" --level="database"

Additional information

No response

[heni02]

试了去掉指定start-ts，end-ts同步database级别到下游是预期的：
./mo_cdc task create --task-name "cdc_database" --source-uri="mysql://ac1:admin:[email protected]:6001" --sink-type="mysql" --sink-uri="mysql://root:[email protected]:3306" --databases="ac1_db:ac1_db_mysql" --level="database"