Fix warning in angular.
Fix warning in angular.

storybooks/storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,storybooks/storybook,storybooks/react-storybook,storybooks/storybook,kadirahq/react-storybook,storybooks/storybook,storybooks/react-storybook,storybooks/react-storybook,storybooks/react-storybook,kadirahq/react-storybook