feat!: return FlutterApplication on app.start instead of app.started#12

wolfenrain wants to merge 3 commits intomainwolfenrain/flutter_daemon:mainfrom

feat!-return-flutter-application-on-app-start-instead-of-app-startedwolfenrain/flutter_daemon:feat!-return-flutter-application-on-app-start-instead-of-app-startedCopy head branch name to clipboard