Forking from the extension host fails when running tests (fix microsoft#154549) (microsoft#155139)

Author: bpasero

src/vs/base/node/ps.ts

@@ -52,7 +52,7 @@ export function listProcesses(rootPid: number): Promise<ProcessItem> {
 			const ISSUE_REPORTER_HINT = /--vscode-window-kind=issue-reporter/;
 			const PROCESS_EXPLORER_HINT = /--vscode-window-kind=process-explorer/;
 			const UTILITY_NETWORK_HINT = /--utility-sub-type=network/;
-			const UTILITY_EXTENSION_HOST_HINT = /--vscode-utility-kind=extension-host/;
+			const UTILITY_EXTENSION_HOST_HINT = /--utility-sub-type=node.mojom.NodeService/;
 			const WINDOWS_CRASH_REPORTER = /--crashes-directory/;
 			const WINDOWS_PTY = /\\pipe\\winpty-control/;
 			const WINDOWS_CONSOLE_HOST = /conhost\.exe/;

src/vs/platform/extensions/electron-main/extensionHostStarter.ts

@@ -324,7 +324,6 @@ class UtilityExtensionHostProcess extends Disposable {
 		const modulePath = FileAccess.asFileUri('bootstrap-fork.js', require).fsPath;
 		const args: string[] = ['--type=extensionHost', '--skipWorkspaceStorageLock'];
 		const execArgv: string[] = opts.execArgv || [];
-		execArgv.push(`--vscode-utility-kind=extension-host`);
 		const env: { [key: string]: any } = { ...opts.env };
 
 		// Make sure all values are strings, otherwise the process will not start