[IMP] web: allow to change the scale also when changing the date

This commit allow to change the scale at the same time as changing the date.

Task ID: 1891957

addons/web/static/src/js/views/calendar/calendar_controller.js

@@ -236,6 +236,9 @@ var CalendarController = AbstractController.extend({
             // When clicking on a random day of a random other week, switch to week view
             this.model.setScale('week');
         }
+        if (event.data.scale) {
+            this.model.setScale(event.data.scale);
+        }
         this.model.setDate(event.data.date);
         this.reload();
     },