When use multi schema info job, the final sub job's state is done instead of synced

[Leavrth]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. log start
2. create some index with mutli schema info jobs

3. restore point

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

1. ingest

3. What did you see instead (Required)

3. skip

4. What is your TiDB version? (Required)

master