Rename last occurences of late to tardiness

@yuha Wat war dat denn?

aleksis/apps/alsijil/filters.py

@@ -27,20 +27,20 @@ class PersonalNoteFilter(FilterSet):
                     data[name] = initial
 
         super().__init__(data, *args, **kwargs)
-        self.form.fields["late__lt"].label = _("Tardiness is lower than")
-        self.form.fields["late__gt"].label = _("Tardiness is bigger than")
+        self.form.fields["tardiness__lt"].label = _("Tardiness is lower than")
+        self.form.fields["tardiness__gt"].label = _("Tardiness is bigger than")
         self.form.layout = Layout(
             Row("subject"),
             Row("day_start", "day_end"),
             Row("absent", "excused", "excuse_type"),
-            Row("late__gt", "late__lt", "extra_marks"),
+            Row("tardiness__gt", "tardiness__lt", "extra_marks"),
         )
 
     class Meta:
         model = PersonalNote
         fields = {
             "excused": ["exact"],
-            "late": ["lt", "gt"],
+            "tardiness": ["lt", "gt"],
             "absent": ["exact"],
             "excuse_type": ["exact"],
             "extra_marks": ["exact"],