Fixed pwshl command

Author: rijesha

src/setup_utilities/host_tools.ts

@@ -40,7 +40,11 @@ export async function installWindowsHostTools(context: vscode.ExtensionContext,
   //Step 2
   // If winget is installed then we can install the required dependencies with this one liner;
 
-  let result = await executeTaskHelper("Install Host Tools", "winget install Kitware.CMake Ninja-build.Ninja oss-winget.gperf python Git.Git oss-winget.dtc wget 7zip.7zip; Start-Process powershell -Verb RunAs -ArgumentList \"[System.Environment]::SetEnvironmentVariable('Path', [System.Environment]::GetEnvironmentVariable('Path', 'Machine') + ';C:\\Program Files\\7-Zip', 'Machine')\"", "");
+  let result = await executeTaskHelper(
+    "Install Host Tools",
+    "winget install Kitware.CMake Ninja-build.Ninja oss-winget.gperf python Git.Git oss-winget.dtc wget 7zip.7zip; Start-Process powershell -Verb RunAs -ArgumentList '-NoExit', '-Command', '[System.Environment]::SetEnvironmentVariable(''Path'', ([System.Environment]::GetEnvironmentVariable(''Path'', ''Machine'') + '';C:\\Program Files\\7-Zip''), ''Machine'')'",
+    ""
+  );
 
   return result;
 }