Add Table (明细) control support for WeChat Work approval forms

[Copilot]

The SDK's ApplyEventRequest_ApplyData_Contents_Value only had a text property, making it impossible to construct Table (明细) controls with child values when submitting approval applications via ApplyEvent API.

Changes

• ApplyEventRequest.cs: Extended ApplyEventRequest_ApplyData_Contents_Value with all control type properties per official API:

  • children for Table control rows
  • date, selector, members, departments, files, location, related_approval, date_range, formula, vacation, attendance
  • Added supporting types: ApplyEventRequest_TableChildren, ApplyEventRequest_Date, ApplyEventRequest_Selector, etc.

• GetApprovalDetailResult.cs: Parallel enhancement for parsing API responses with the same control types

Usage

var tableContent = new ApplyEventRequest_ApplyData_Contents
{
    control = "Table",
    id = "Table-xxxxx",
    value = new ApplyEventRequest_ApplyData_Contents_Value
    {
        children = new List<ApplyEventRequest_TableChildren>
        {
            new ApplyEventRequest_TableChildren
            {
                list = new List<ApplyEventRequest_ApplyData_Contents>
                {
                    new ApplyEventRequest_ApplyData_Contents
                    {
                        control = "Text",
                        id = "Text-xxxxx",
                        value = new ApplyEventRequest_ApplyData_Contents_Value { text = "Row 1" }
                    },
                    new ApplyEventRequest_ApplyData_Contents
                    {
                        control = "Number", 
                        id = "Number-xxxxx",
                        value = new ApplyEventRequest_ApplyData_Contents_Value { new_number = "100" }
                    }
                }
            }
        }
    }
};

Original prompt

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This section details on the original issue you should resolve

<issue_title>企业微信审批表单如何构建明细控件的子控件</issue_title>
<issue_description>我很疑惑的是企业微信审批表单应该如何去构建明细控件的值，其中的子控件的值应该如何去传递。</issue_description>

<agent_instructions>查找微信官方文档并结合 Senparc.Weixin SDK 回答</agent_instructions>

Comments on the Issue (you are @copilot in this section)

@JeffreySu @Nice-Ljn 先看一下官方的文档。如果看完还不明白，可以把 URL 发在里，帮您解答。

• Fixes 企业微信审批表单如何构建明细控件的子控件 #3228

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