Use `count_as_missed_lesson` in ExcuseType forms and tables

aleksis/apps/alsijil/forms.py

@@ -180,11 +180,11 @@ class ExtraMarkForm(forms.ModelForm):
 
 
 class ExcuseTypeForm(forms.ModelForm):
-    layout = Layout("short_name", "name")
+    layout = Layout("short_name", "name", "count_as_missed_lesson")
 
     class Meta:
         model = ExcuseType
-        fields = ["short_name", "name"]
+        fields = ["short_name", "name", "count_as_missed_lesson"]
 
 
 class PersonOverviewForm(ActionForm):

aleksis/apps/alsijil/tables.py

@@ -37,6 +37,10 @@ class ExcuseTypeTable(tables.Table):
 
     name = tables.LinkColumn("edit_excuse_type", args=[A("id")])
     short_name = tables.Column()
+    count_as_absent = tables.BooleanColumn(
+        verbose_name=_("Count as absent"),
+        accessor="count_as_missed_lesson",
+    )
     edit = tables.LinkColumn(
         "edit_excuse_type",
         args=[A("id")],