Backport of "buffer: drop parent meta in deep copy/foreach_metadata" into 1.20
Backport of !2928 (merged) "buffer: drop parent meta in deep copy/foreach_metadata".
Commits:
- 3b900e1f buffer: drop parent meta in deep copy/foreach_metadata
Backport of !2928 (merged) "buffer: drop parent meta in deep copy/foreach_metadata".
Commits: