Ensure workouts are printed in order of start date descending

app.py

@@ -299,6 +299,8 @@ def my_utility_processor():
         return db.get_people_and_workout_count(person_id)
 
     def get_first_element_from_list_with_matching_attribute(list, attribute, value):
+        if not list:
+            return None
         for element in list:
             if element[attribute] == value:
                 return element

utils.py

@@ -17,6 +17,9 @@ def get_workouts(topsets):
             'StartDate': topsets_in_workout[0]['StartDate'],
             'TopSets': [{"TopSetId": t['TopSetId'], "ExerciseId": t['ExerciseId'], "ExerciseName": t['ExerciseName'], "Weight": t['Weight'], "Repetitions": t['Repetitions']} for t in topsets_in_workout if t['TopSetId'] is not None]
         })
+
+    workouts.sort(key=lambda x: x['StartDate'], reverse=True)
+
     return workouts