Not sure if this would need to be a separate bug, but in permissions testing, I found that UPDATE_COPY allows the same behavior of being able to mark items missing, whether they are checked out or not, without the need for MARK_ITEM_MISSING.
Not sure if this would need to be a separate bug, but in permissions testing, I found that UPDATE_COPY allows the same behavior of being able to mark items missing, whether they are checked out or not, without the need for MARK_ITEM_MISSING.