Resolve WES-192 "Fix progress screen"

Assets/Common/Scripts/CourseActivityScreen.cs

@@ -76,7 +76,7 @@ public class CourseActivityScreen : MonoBehaviour
         title.text = course.title;
         description.text = course.description;
         courseImage.sprite = course.thumbnail;
-        //slider.value = progressValue;
+        //progressBar.value = progressValue;
 
         // Set progress
         PersistentDataController.GetInstance().Load();