[fix](be) Restore mutable ownership in COW paths#63001
Draft
zclllyybb wants to merge 1 commit intoapache:masterfrom
Draft
[fix](be) Restore mutable ownership in COW paths#63001zclllyybb wants to merge 1 commit intoapache:masterfrom
zclllyybb wants to merge 1 commit intoapache:masterfrom
