generate new pdf when validate billing

FIX - use MAIN_FIRSTNAME_NAME_POSITION for select users

admin user.

Fix: [Payments] Properly escape variable for JS

The company name may contain reserved characters such as a quote
which needs proper escaping to prevent upsetting the JavaScript
interpreter.

fix the enabling of a dependency module already ON

allow the drag and drop of an event only for allowed users

Fix: [Multicurrency] properly display API error

Fix : Link to loan admin isn't required, already support by page default account