Enclose global gulp path with quotes #68413 (#68418)

it will allow to have it working when path contains space

Fixes #68413 

extensions/gulp/src/main.ts

@@ -122,7 +122,7 @@ class FolderDetector {
 		if (platform === 'win32' && await exists(path.join(rootPath!, 'node_modules', '.bin', 'gulp.cmd'))) {
 			const globalGulp = path.join(process.env.APPDATA ? process.env.APPDATA : '', 'npm', 'gulp.cmd');
 			if (await exists(globalGulp)) {
-				gulpCommand = globalGulp;
+				gulpCommand = '"' + globalGulp + '"';
 			} else {
 				gulpCommand = path.join('.', 'node_modules', '.bin', 'gulp.cmd');
 			}