fix: 修复删除子题时父题移除的问题

src/modules/paper/components/PaperQuestions.vue

@@ -140,7 +140,12 @@ export default {
     },
     // 删除选中试题
     handleRemove() {
-      this.questions = this.questions.filter(item => !this.multipleSelection.includes(item.id))
+      this.questions = this.questions.filter(item => {
+        if (item.children) {
+          item.children = item.children.filter(item => !this.multipleSelection.includes(item.id))
+        }
+        return !this.multipleSelection.includes(item.id)
+      })
       this.multipleSelection = []
     },
     // 保存试卷

src/modules/paper/components/QuestionList.vue

@@ -17,13 +17,13 @@
             v-bind="$attrs"
             v-on="$listeners"
           >
-            <template #selection>
+            <template v-slot:selection="item">
               <slot name="selection" v-bind="item"></slot>
             </template>
           </question-list>
         </template>
 
-        <template #selection>
+        <template v-slot:selection="item">
           <slot name="selection" v-bind="item"></slot>
         </template>
       </question-list-item>

src/modules/paper/components/QuestionListItem.vue

@@ -2,7 +2,7 @@
   <el-card style="margin-bottom: 20px" shadow="hover" :id="`question_${data.id}`">
     <div class="question-item">
       <div class="question-item-selection">
-        <slot name="selection"></slot>
+        <slot name="selection" v-bind="data"></slot>
       </div>
       <div class="question-item-main">
         <div class="question-item-hd">