fix(@schematics/angular): generate application with projectRoot is provided

Closes #11925.

Author: vovikdrg

packages/schematics/angular/application/index.ts

@@ -274,10 +274,8 @@ export default function (options: ApplicationOptions): Rule {
       name: `${options.name}-e2e`,
       relatedAppName: options.name,
       rootSelector: appRootSelector,
+      projectRoot: newProjectRoot ? `${newProjectRoot}/e2e` : 'e2e',
     };
-    if (options.projectRoot !== undefined) {
-      e2eOptions.projectRoot = 'e2e';
-    }
 
     return chain([
       addAppToWorkspaceFile(options, workspace),