fix(scgl): 修复生产任务列表样式配置问题

- 将 listStyle 字段从 undefined 更新为空字符串以避免渲染异常
- 统一了三处相同的字段初始化值修改
- 确保表格组件在无样式配置时正常显示

xjrsoft-vue3/src/views/scgl/scrw/components/config.ts

@@ -68,7 +68,7 @@ export const columns: BasicColumn[] = [
     sorter: true,
 
     styleConfig: undefined,
-    listStyle: undefined,
+    listStyle: '',
   },
 
   {
@@ -106,7 +106,7 @@ export const columns: BasicColumn[] = [
     sorter: true,
 
     styleConfig: undefined,
-    listStyle: undefined,
+    listStyle: '',
   },
 
   {
@@ -119,7 +119,7 @@ export const columns: BasicColumn[] = [
     sorter: true,
 
     styleConfig: undefined,
-    listStyle: undefined,
+    listStyle: '',
   },
 
   {