fix display of privateComment for action

src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourseWorkEdit/App.vue

@@ -24,7 +24,7 @@
          <input v-model="endDate" type="date" class="form-control" />
       </div>
 
-      <div id="private_comment" class="action-row">
+      <div id="privateComment" class="action-row">
          <label class="col-form-label">{{ $t('private_comment') }}</label>
          <ckeditor
             v-model="privateComment"
@@ -592,6 +592,7 @@ div#workEditor {
       "title title"
       "startDate endDate"
       "comment comment"
+      "privateComment privateComment"
       "objectives objectives"
       "evaluations evaluations"
       "persons persons"
@@ -608,6 +609,8 @@ div#workEditor {
       grid-area: endDate; }
    #comment {
       grid-area: comment; }
+   #privateComment {
+      grid-area: privateComment; }
    #objectives {
       grid-area: objectives; }
    #evaluations {