Optimization for lightning conflict detection

[lyzx2001]

Enhancement

1. Merge conflict record tables for preprocess duplicate detection and post-import conflict detection.
2. Performance optimization for post-import conflict detection.

Merge lightning preprocess duplicate detection and post-import conflict detection:
#51036

Optimize lightning conflict recording tables:
#52393

[lyzx2001]

/assign @lyzx2001

[lyzx2001]

/label affects-8.1