fix: 角色管理页面权限列宽度从200增至260

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

admin-web/src/views/admin/role/index.vue

@@ -102,7 +102,7 @@ const state = reactive({
   formQuery: {
     roleName: null,
   },
-  columns: [{label: '权限', prop: 'permName', width: 200, fixed: 'left'}] as Array<IBaseField>,
+  columns: [{label: '权限', prop: 'permName', width: 260, fixed: 'left'}] as Array<IBaseField>,
   expandAll: false,
   immutableRoleList: [] as Array<string>,
   changed : false