[FIX] cancelling of o2m lines with m2o on 'Create and Edit'

trigger a Widget|focused event on item.action autocomplete selection,
cancels previous Widget|blurred (from picking choice) and avoids
firing of FormView|blurred, used by o2m list to autosave/autocancel an
edition.

bzr revid: xmo@openerp.com-20120802120230-ylnldw0aa39uga1p

addons/web/static/src/js/view_form.js

@@ -2816,6 +2816,8 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
                 } else if (item.action) {
                     self.floating = true;
                     item.action();
+                    // Cancel widget blurring, to avoid form blur event
+                    self.trigger('focused');
                     return false;
                 }
             },