fix(系统管理): 优化字典项删除按钮显示逻辑，仅在新增或未提交时显示

src/views/system/dictionary/components/dict-edit.vue

@@ -159,7 +159,7 @@
       <el-table-column align="center" label="操作">
         <template slot-scope="scope">
           <el-popconfirm
-          
+            v-if="!isUpdate || (!scope.row.id && isUpdate)"
             class="ele-action"
             title="确定要删除此字典项吗？"
             @confirm="removeArr(scope)"