- changes in form rendering, like hide modification date, don't affect storage replication (like forms 'AsJioView' do)
- each officejs app will have its own view actions, allowing to share portal types

- still missing to hide modification_date on document view

- add element gadget removed, combined into create document

- todo: get form definition from a create doc action

- new approach uses a new ojs jio gadget
- old one is kept for backward compatibility (not migrated apps)

- new approach uses a new controller gadget
- old one is kept for backward compatibility (not migrated apps)