Make text fields for homework & group note more compact & clearable

aleksis/apps/alsijil/frontend/components/coursebook/documentation/LessonSummary.vue

@@ -64,6 +64,8 @@
     <v-textarea
       filled
       auto-grow
+      rows="3"
+      clearable
       v-if="!compact"
       :label="$t('alsijil.coursebook.summary.homework.label')"
       :value="documentation.homework"
@@ -73,6 +75,8 @@
     <v-textarea
       filled
       auto-grow
+      rows="3"
+      clearable
       v-if="!compact"
       :label="$t('alsijil.coursebook.summary.group_note.label')"
       :value="documentation.groupNote"