Remove the explicit desktop field when creating a Windows process (#13930)

Author: OneBlue

src/windows/common/SubProcess.cpp

@@ -92,11 +92,6 @@ void SubProcess::SetFlags(DWORD Flag)
     WI_SetAllFlags(m_flags, Flag);
 }
 
-void SubProcess::SetDesktop(LPCWSTR Desktop)
-{
-    m_desktop = Desktop;
-}
-
 void SubProcess::SetToken(HANDLE Token)
 {
     m_token = Token;

src/windows/common/SubProcess.h

@@ -37,7 +37,6 @@ class SubProcess
     void InheritHandle(HANDLE Handle);
     void SetEnvironment(LPVOID Environment);
     void SetWorkingDirectory(LPCWSTR Directory);
-    void SetDesktop(LPCWSTR Desktop);
     void SetToken(HANDLE Token);
     void SetShowWindow(WORD Show);
     void SetFlags(DWORD Flag);

src/windows/common/interop.cpp

@@ -195,7 +195,6 @@ CreateProcessResult CreateProcess(_In_ CreateProcessParsed* Parsed, _In_ HANDLE
     wsl::windows::common::helpers::SetHandleInheritable(StdErr);
 
     wsl::windows::common::SubProcess process(Parsed->ApplicationName.c_str(), Parsed->CommandLine(), CREATE_UNICODE_ENVIRONMENT);
-    process.SetDesktop(L"winsta0\\default");
 
     CreateProcessResult Result{};
     if (Parsed->CreatePseudoconsole)