fixed 72cd2a35 from https://gitee.com/zc2468/docs/pulls/24132

ArkTs整改
Signed-off-by: Nzhangchao <zhangchao338@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-camera.md

@@ -937,7 +937,7 @@ function preLaunch(context: featureAbility.Context): void {
     cameraManager.prelaunch();
   } catch (error) {
     let err = error as BusinessError;
-    console.error(`prelaunch error. Code: ${error.code}, message: ${error.message}`);
+    console.error(`prelaunch error. Code: ${err.code}, message: ${err.message}`);
   }
 }
 ```