Resolve "Mark commented lines when feedback is hidden"

Closes #160 (closed)

frontend/src/components/submission_notes/SubmissionCorrection.vue

@@ -8,7 +8,7 @@
       <template slot="table-content" id='sub-lines'>
         <tr v-for="(code, lineNo) in submission" :key="`${submissionObj.pk}${lineNo}`" :id="`sub-line-${lineNo}`">
           <submission-line
-            :hint="hintAtHiddenComment(lineNo)"
+            :hint="hasHiddenComment(lineNo)"
             :code="code"
             :line-no="lineNo"
             @toggleEditor="toggleEditorOnLine(lineNo)"
@@ -171,7 +171,7 @@ export default {
         }
       }, 5e3)
     },
-    hintAtHiddenComment (lineNo) {
+    hasHiddenComment (lineNo) {
       return !this.showFeedback && this.origFeedback[lineNo]
         && this.origFeedback[lineNo].length > 0
     },