读取注册表不支持unicode

[shuax]

Is your feature request related to a problem? Please describe.

如果查询的key或者值有中文，会查询不到值，或者值错误。

Describe the solution you'd like

希望能支持unicode

Describe alternatives you've considered

把winos注册表相关的A调用换成W调用。

Additional context

No response

[waruqi]

暂时没空搞，目前就这一处还没换，https://github.com/xmake-io/xmake/blob/master/core/src/xmake/winos/registry_query.c

其他的都已经换了，可以参考这个

xmake/core/src/xmake/winos/registry_values.c

Line 120 in 8b12860

tb_size_t value_name_a_size = tb_wtoa(value_name_a, value_name, sizeof(value_name_a));

来个 pr 过来