fix(Schematics): Remove extra braces from constructor for container blueprint (#791)

Closes #778

Author: brandonroberts

modules/schematics/src/container/index.spec.ts

@@ -60,7 +60,7 @@ describe('Container Schematic', () => {
     const tree = schematicRunner.runSchematic('container', options, appTree);
     const content = getFileContent(tree, '/src/app/foo/foo.component.ts');
     expect(content).toMatch(
-      /constructor\(private store\: Store\<fromStore\.State\>\) { }/
+      /constructor\(private store\: Store\<fromStore\.State\>\) { }\n\n/
     );
   });
 

modules/schematics/src/container/index.ts

@@ -96,7 +96,7 @@ function addStateToComponent(options: FeatureOptions) {
     const constructorUpdate = new ReplaceChange(
       componentPath,
       pos,
-      `  ${constructorText}`,
+      `  ${constructorText}\n\n`,
       `\n\n  ${storeConstructor}`
     );