Refs #14435 owner was losing role when adding himself as participant

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20119 a0171fae-0946-0410-966d-b1775066cd26
naaya.content.meeting 1.2.39 released

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20120 a0171fae-0946-0410-966d-b1775066cd26