[WIP] feat(generic): fail on nil value for required field

[wasd96040501]

What type of PR is this?

feat: Currently, generic HTTP calls in Thrift automatically fill in default zero values for fields missing in the HTTP request. This PR introduces an option that allows users to control whether to trigger an early error and reject the request when a required field is empty, intercepting the request in advance.

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目前 generic http call thrift 默认会给 http 请求中不存在的值填零值。这个 PR 增加一个选项，让用户可以控制，当 required field 为空的时候，报错返回，提前拦截请求。

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[Marina-Sakai]

@wasd96040501
Hi, thank you for your PR! I have some questions:

1. May I know the reason why you need an option to make it fail on nil value for required fields?
2. How can generic users set the option?

[wasd96040501]

@wasd96040501 Hi, thank you for your PR! I have some questions:

1. May I know the reason why you need an option to make it fail on nil value for required fields?
2. How can generic users set the option?

Hi， @Marina-Sakai

1. The use case is as follows: the service receives an HTTP request, then forwards this HTTP request via a generic call to a Thrift RPC service. Since the parameters of the HTTP request are input by external users, I want Kitex to be able to detect issues directly, rather than writing something like if var == 0 { return fmt.Errorf("var is missing!") } in the Thrift RPC service to check for them.
2. I’ve resubmitted the commit and added a new option to HTTPThriftGeneric: WithFailOnNilValueForRequiredField.

p, _ := NewThriftFileProvider("idl.thrift")
g, _ := HTTPThriftGeneric(WithFailOnNilValueForRequiredField(true))
...

[wasd96040501]

Hi, @Marina-Sakai
There’s a data race occurring in these two places in the CI(Tests / compatibility-test (1.21, X64)), but I don’t think I made any changes there. Could you help take a look?

 /data00/runner/cloudwego-lf-runner-07/kitex/kitex/server/server_test.go:964 +0x37
 /data00/runner/cloudwego-lf-runner-07/kitex/kitex/server/server_test.go:1006 +0xc6c