Investigate using LanguagePrimitives.ConvertTo rather than the converter attribute

In the debugger code we currently go to great lengths to find and execute a type conversion attribute on variables:

https://github.com/PowerShell/PowerShellEditorServices/blob/f9bde73000a6e2a8ebfc721d675dcb1c60316092/src/PowerShellEditorServices/Services/DebugAdapter/DebugService.cs#L489-L522

Most of this can't be avoided, but one thing we do here is use the EngineIntrinsics value to execute the conversion attribute on the pipeline thread, which means we need to contend for and wait on a pipeline thread execution.

Instead of this, we could maybe call LanguagePrimitives.ConvertTo() with the known target type and ideally not need to use the pipeline thread.

This might not be possible, but is worth investigating...

首先阅读 src/PowerShellEditorServices/Services/DebugAdapter/DebugService.cs 第 489-522 行中的转换处理，尤其关注 EngineIntrinsics 和 pipeline-thread 的使用。将该路径与针对已知目标类型的 LanguagePrimitives.ConvertTo() 进行比较。完成的标准是确定转换是否可以避免在 pipeline-thread 上执行，并记录或实现可行的方法。