git-svn-id: http://svn.d4science-ii.research-infrastructures.eu/gcube/trunk/portlets/user/workspace-tree-widget@98764 82a268e6-3cf1-43bd-a215-b396298e98cf
starting fix of https://support.d4science.research-infrastructures.eu/ticket/940 git-svn-id: http://svn.d4science-ii.research-infrastructures.eu/gcube/trunk/portlets/user/workspace-tree-widget@98601 82a268e6-3cf1-43bd-a215-b396298e98cf