ENYO-3042: DO NO MERGED Project properties of a newly created project are now well saved

Related JIRA: https://enyojs.atlassian.net/browse/ENYO-3042

Project creation has been reworked to insure the project data creation to be saved before attempting to open the newly created project.
A log warning has been changed in a log trace.

Enyo-DCO-1.1-Signed-off-by: Vincent HERILIER vincent.herilier@hp.com