fix(student): 修复六帽分组展示成员名称不正确的问题

将原本直接展示成员对象改为展示成员对象的name属性，正确显示分组参与人员名称

src/views/Student/components/choiceQuestionDetailDialog.vue

@@ -976,7 +976,7 @@
                 <span>{{ lang.ssSixHatGroupWork }}</span>
               </div>
               <div class="sixhat-members__list">
-                <span v-for="(m, idx) in lookWorkData.content.members" :key="'m-' + idx" class="sixhat-member-chip">{{ m }}</span>
+                <span v-for="(m, idx) in lookWorkData.content.members" :key="'m-' + idx" class="sixhat-member-chip">{{ m.name }}</span>
               </div>
             </div>