Removed previously customized default views for business case dossiers and documents.

The default view is now customized for all dexterity content.
Omit `public_trial` and `public_trial_statement` fields from dossier default view.
Omit `public_trial` and `public_trial_statement` fields from repositoryfolder default view.
Customized document default view in order to render `file` field in NO_DOWNLOAD_DISPLAY_MODE.