Fix bug in management copy (for multisite)#1343

MyPyDavid merged 2 commits into2.3.1rdmorganiser/rdmo:2.3.1from

1339-bug-in-management-copy-of-attributes-and-other-elements-failsrdmorganiser/rdmo:1339-bug-in-management-copy-of-attributes-and-other-elements-failsCopy head branch name to clipboard