Resolve "Frontend Refactor"

Start of #118 (closed)

frontend/src/components/submission_notes/base/CommentForm.vue

 <template>
   <div>
-    <v-text-field
+    <v-textarea
       name="feedback-input"
       label="Please provide your feedback here"
       v-model="currentFeedback"
@@ -8,7 +8,7 @@
       @keyup.esc="collapseTextField"
       @focus="selectInput($event)"
       rows="2"
-      textarea
+      outline
       autofocus
       auto-grow
       hide-details