Display gorup note in printout and in previous lesson summary

aleksis/apps/alsijil/templates/alsijil/class_register/lesson.html

@@ -86,6 +86,13 @@
                       </tr>
                     {% endif %}
 
+                    {% if prev_doc.group_note %}
+                      <tr>
+                        <th class="collection-item">{% trans "Group notes for this lesson:" %}</th>
+                        <td>{{ prev_doc.group_note }}</td>
+                      </tr>
+                    {% endif %}
+
                     {% if absences %}
                       <tr>
                         <th>{% trans "Absent persons:" %}</th>

aleksis/apps/alsijil/templates/alsijil/print/full_register.html

@@ -341,6 +341,7 @@
               </td>
               <td class="lesson-homework">{{ documentations.0.homework }}</td>
               <td class="lesson-notes">
+                {{ documentations.0.group_note }}
                 {% for note in notes %}
                   {% if note.absent %}
                     <span class="lesson-note-absent">