Fix storybook import raven in logger

src/logger.js

@@ -148,6 +148,7 @@ export default {
   critical: (error: Error) => {
     addLog('critical', error)
     console.error(error)
+    if (!process.env.STORYBOOK_ENV) {
       try {
         if (typeof window !== 'undefined') {
           require('sentry/browser').captureException(error)
@@ -157,6 +158,7 @@ export default {
       } catch (e) {
         console.warn("Can't send to sentry", error, e)
       }
+    }
   },
 
   exportLogs: (): Array<{ type: string, date: Date, args: Array<any> }> =>