fix(@schematics/angular): Correct the service worker package dependency

Author: webmaxru

packages/schematics/angular/service-worker/index.ts

@@ -70,7 +70,7 @@ function updateConfigFile(options: ServiceWorkerOptions): Rule {
 
 function addDependencies(): Rule {
   return (host: Tree, context: SchematicContext) => {
-    const packageName = '@angular/platform-server';
+    const packageName = '@angular/service-worker';
     context.logger.debug(`adding dependency (${packageName})`);
     const buffer = host.read(packageJsonPath);
     if (buffer === null) {

packages/schematics/angular/service-worker/index_spec.ts

@@ -68,7 +68,7 @@ describe('Service Worker Schematic', () => {
     const pkgText = tree.readContent('/package.json');
     const pkg = JSON.parse(pkgText);
     const version = pkg.dependencies['@angular/core'];
-    expect(pkg.dependencies['@angular/platform-server']).toEqual(version);
+    expect(pkg.dependencies['@angular/service-worker']).toEqual(version);
   });
 
   it('should import ServiceWorkerModule', () => {