Split `DuplicateLine` into `DuplicateLineUp` and `DuplicateLineDown` (#9715)

Fixes #9601

Release Notes:
- `DuplicateLine` is now split into `DuplicateLineUp` and
`DuplicateLineDown`

Daniel Zhu committed 2y ago

f5823f9942c37ed4e4f2735d786e4f1f5700091a

Parent: c33ee52

Committed by GitHub <noreply@github.com> on 3/28/2024, 10:52:08 AM