Merge branch 'hotfix/0.6.3'
refactor the ways active dialogue are find in the model
revert the navigation menu to display a link for the draft and the active version
backward compatibility with older model
fix testing of dialogue, saving a new one as a draft
fix in case we just create a new element without data
fix the splitting of keywords in request
Merge branch 'hotfix/0.6.4' into develop