禁用简答题的拖拽

src/features/OnlineExam/Examing/TextQuestionView.vue

@@ -51,6 +51,8 @@
         </div>
         <div
           ref="answerDiv"
+          ondragstart="return false"
+          ondrop="return false"
           @keydown="disableCtrl"
           :contenteditable="true"
           v-html="studentAnswer"

src/styles/global.css

@@ -1,6 +1,5 @@
 body :not(textarea) {
   user-select: none;
-  cursor: default;
 }
 
 .qm-primary-text {