Only set the value on the current view of One2Many when the form set values

If the current view is a form view, we need to ensure that the values are
actually set for all the widgets.
(grafted from c91abeb5bcc1bcb4d8c7c96b610fb142637661aa)

--HG--
branch : 7.0

sao/src/view/form.js

@@ -3756,9 +3756,7 @@ function eval_pyson(value){
             return prm;
         },
         set_value: function() {
-            if (this.screen.modified()) {  // TODO check if required
-                this.view.screen.record_modified(false);
-            }
+            this.screen.current_view.set_value();
         },
         _update_completion: function(text) {
             if (!this.record) {

tryton/tryton/gui/window/view_form/view/form_gtk/one2many.py

@@ -558,8 +558,6 @@ class One2Many(Widget):
 
     def set_value(self):
         self.screen.current_view.set_value()
-        if self.screen.modified():  # TODO check if required
-            self.view.screen.record_modified(display=False)
         return True
 
     def _completion_match_selected(self, completion, model, iter_):