Revert "Change fix for windows (do not use shell)"

This reverts commit 4184da5.

Author: dxvladislavvolkov

apps/demos/utils/create-bundles/Angular/bundler.ts

@@ -42,8 +42,7 @@ export default class AngularBundler implements Bundler {
 
     createDemoLayout(demo, this.framework);
 
-    const npmExecutable = process.platform === 'win32' ? 'npm.cmd' : 'npm';
-    const ngBuildProcess = spawn(npmExecutable, ['run', 'build-angular', '--', getProjectNameByDemo(demo)], { shell: false });
+    const ngBuildProcess = spawn('npm', ['run', 'build-angular', '--', getProjectNameByDemo(demo)], { shell: process.platform === 'win32' });
     ngBuildProcess.stdout.on('data', (data) => {
       console.log(`stdout: ${data}`);
     });

apps/demos/utils/ts-to-js-converter/converter.ts

@@ -79,8 +79,7 @@ const pipeSource = async (
 };
 
 const execTsc = async (directory: string, args: string[]): Promise<string> => new Promise((resolve, reject) => {
-  const tscExecutable = isWindows() ? 'tsc.cmd' : 'tsc';
-  const proc = cps.spawn(tscExecutable, args, { cwd: directory, shell: false });
+  const proc = cps.spawn('tsc', args, { cwd: directory, shell: isWindows() });
   let stdout = '';
   let stderr = '';
   proc.stdout.on('data', (data: Buffer) => { stdout += data.toString(); });