Merge branch '154-my-students-students-lists-aren-t-sorted-alphabetically' into 'master'

Resolve "[My students] Students lists aren't sorted alphabetically"

Closes #154

See merge request !181

aleksis/apps/alsijil/model_extensions.py

@@ -395,7 +395,9 @@ def generate_person_list_with_class_register_statistics(
         Q(groups=self) | Q(groups__parent_groups=self)
     )
 
-    persons = persons.select_related("primary_group", "primary_group__school_term")
+    persons = persons.select_related("primary_group", "primary_group__school_term").order_by(
+        "last_name", "first_name"
+    )
     persons = persons.annotate(
         filtered_personal_notes=FilteredRelation(
             "personal_notes",