making general feedback fields have unique attribute values in both peer and self assessment UI

apps/openassessment/templates/openassessmentblock/peer/oa_peer_assessment.html

@@ -91,12 +91,12 @@
                                     </li>
                                     {% endfor %}
 
-                                    <li class="wrapper--input field field--textarea assessment__rubric__question assessment__rubric__question--feedback" id="assessment__rubric__question--004">
-                                        <label class="question__title" for="assessment__rubric__question--004__value">
+                                    <li class="wrapper--input field field--textarea assessment__rubric__question assessment__rubric__question--feedback" id="assessment__rubric__question--feedback">
+                                        <label class="question__title" for="assessment__rubric__question--feedback__value">
                                             <i class="ico fa fa-caret-right"></i>
                                             <span class="question__title__copy">Please provide any other feedback you have around this response</span>
                                         </label>
-                                        <textarea id="assessment__rubric__question--004__value" placeholder="I felt this response was..."></textarea>
+                                        <textarea id="assessment__rubric__question--feedback__value" placeholder="I felt this response was..."></textarea>
                                     </li>
                                 </ol>
                             </fieldset>

apps/openassessment/templates/openassessmentblock/self/oa_self_assessment.html

@@ -69,12 +69,12 @@
                         </li>
                         {% endfor %}
 
-                        <li class="wrapper--input field field--textarea assessment__rubric__question" id="assessment__rubric__question--004">
-                            <label for="assessment__rubric__question--004__value">
+                        <li class="wrapper--input field field--textarea assessment__rubric__question" id="assessment__rubric__question--feedback">
+                            <label for="assessment__rubric__question--feedback__value">
                                 <i class="ico fa fa-caret-right"></i>
                                 <span class="question__title__copy">Please provide any other feedback you have around this response</span>
                             </label>
-                            <textarea id="assessment__rubric__question--004__value" placeholder="I felt this response was..."></textarea>
+                            <textarea id="assessment__rubric__question--feedback__value" placeholder="I felt this response was..."></textarea>
                         </li>
                     </ol>
                 </fieldset>