Added the object-utils file in public-api

Author: manasa

packages/angular-sdk-components/src/public-api.ts

@@ -160,6 +160,7 @@ export * from './lib/_helpers/tab-utils';
 export * from './lib/_helpers/template-utils';
 export * from './lib/_helpers/utils';
 export * from './lib/_helpers/versionHelpers';
+export * from './lib/_helpers/object-utils';
 
 export * from './lib/_messages/error-messages.service';
 export * from './lib/_messages/progress-spinner.service';