Check if we are on storyshots in preview (#479)
Check if we are on storyshots in preview (#479)

storyshots adds polyfills for window. So preview will incorrectly assume we’re on a browser. This will avoid that.
storybooks/storybook,nfl/react-storybook,nfl/react-storybook,kadirahq/react-storybook,bigassdragon/storybook,nfl/react-storybook,rhalff/storybook,bigassdragon/storybook,rhalff/storybook,enjoylife/storybook,storybooks/react-storybook,rhalff/storybook,shilman/storybook,jribeiro/storybook,jribeiro/storybook,jribeiro/storybook,storybooks/storybook,storybooks/storybook,shilman/storybook,shilman/storybook,rhalff/storybook,shilman/storybook,jribeiro/storybook,nfl/react-storybook,enjoylife/storybook,bigassdragon/storybook,storybooks/react-storybook,rhalff/storybook,bigassdragon/storybook,storybooks/storybook,storybooks/react-storybook,enjoylife/storybook,kadirahq/react-storybook,storybooks/storybook,rhalff/storybook,storybooks/storybook,storybooks/react-storybook,storybooks/storybook,enjoylife/storybook