fix: Fix variable-assign-node cannot publish

[shaohuzhang1]

fix: Fix variable-assign-node cannot publish --bug=1052464 --user=刘瑞斌 【应用】-编排应用中存在变量赋值节点，发布应用失败 https://www.tapd.cn/57709429/s/1659401

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[shaohuzhang1]

The provided code is mostly correct, but there's an issue with the structure of the nodeCascaderRef2 mapping function when it might be undefined. It uses ...[] which can lead to unexpected behavior due to type widening if nodeCascaderRef2.value is not defined.

Here are some recommendations:

1. Check for Undefined Value: Before attempting to map on nodeCascaderRef2, ensure that it exists. This prevents errors from occurring when calling .map() on an undefined value.

2. Optimization: The current implementation will execute validate() calls serially instead of parallel for both replyNodeFormRef and each option in nodeCascaderRef. If you want to execute them in series, keep the existing Promise.all([...]).catch(). However, this ensures they are executed one after another without changing their order.

3. Example Code:

const validate = async () => {
  let errorCount = 0;

  const allValidationsPromises = [
    replyNodeFormRef.value?.validate().then(() => {
      // Count validation success for replyNodeFormRef
      errorCount++;
    }).catch(err => {
      console.error('Validation failed:', err);
      errorCount++;
    }),

    ...nodeCascaderRef.value?.map(item => item.validate()).map(validateResult => {
      if (!validateResult.validated) { // Assuming each cascader node has a validated property indicating successful validation
        // Mark error for cascader nodes
        errorCount++;
      }
      return validateResult;
    }) || []

  ];

  await Promise.all(allValidationsPromises);

  if (errorCount === 0) {
    logger.info(`All validations passed.`);
  } else {
    throw new Error(`Failed to verify the form details: ${errorCount} errors found.`);
  }
};

4. Error Handling: Ensure proper handling within catch() blocks. In the example above, if there are no validations failures (errorCount === 0) it logs a success message; otherwise, it throws an exception detailing how many checks failed.

These improvements help manage edge cases such as uninitialised references more gracefully, avoiding runtime TypeScript errors during evaluation.