Add proper checks for editable ID to image pack/unpack and file_browse operators. Also add similar check to `unpack_item` operator, although in that case the check has to happen in exec callback, as poll function would not have required info.
Add proper checks for editable ID to image pack/unpack and file_browse operators. Also add similar check to `unpack_item` operator, although in that case the check has to happen in exec callback, as poll function would not have required info.