fix(simple-combo): add IgxProgressBarModule import

Author: georgianastasov

live-editing/configs/ComboConfigGenerator.ts

@@ -131,9 +131,9 @@ export class ComboConfigGenerator implements IConfigGenerator {
         configs.push(new Config({
             additionalFiles: ['/src/app/data/cities15000-regions-countries.ts'],
             appModuleConfig: new AppModuleConfig({
-                imports: ['IgxComboModule', 'IgxSimpleComboModule', 'SimpleComboCascadingComponent'],
+                imports: ['IgxComboModule', 'IgxSimpleComboModule', 'IgxProgressBarModule', 'SimpleComboCascadingComponent'],
                 ngDeclarations: ['SimpleComboCascadingComponent'],
-                ngImports: ['IgxComboModule', 'IgxSimpleComboModule']
+                ngImports: ['IgxComboModule', 'IgxSimpleComboModule', 'IgxProgressBarModule']
             }),
             component: 'SimpleComboCascadingComponent'
         }));