fix(select-sample): fix indentation

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Zneeky

src/app/select/select.sample.ts

@@ -46,8 +46,8 @@ export class SelectSampleComponent implements OnInit {
     public fruits: string[] = ['Orange', 'Apple', 'Banana', 'Mango', 'Pear', 'Lemon', 'Peach', 'Apricot', 'Grapes', 'Cactus'];
     public selected: string;
     public selectRequired = true;
-    
-    //Test data for nested @if/@else issue
+
+    // Test data for nested @if/@else issue
     public testItems: string[] = ['One', 'Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight'];
 
     public reactiveForm: UntypedFormGroup;