Fix SIGILL in MacClient.LivePreviewEditorController.outputController.modify : MacClient.LivePreviewOutputController? with unmangled suffix ".resume.0"

### Version 1.0(75) ###


### Stacktrace ###


### Reason ###


SIGILL


### Link to App Center ###


* [https://appcenter.ms/users/mark-ya2g/apps/Rc-Mac-Client/crashes/errors/866130892u](https://appcenter.ms/users/mark-ya2g/apps/Rc-Mac-Client/crashes/errors/866130892u)
