textViewContainer width problem

[matijakregar]

On iPhone 5 (iOS 7.1.1) the textView (with no attachmentView) is not wide enough and the scroller is 20 px to the left.
In REComposeSheetView.m I changed (line 63) to
_textViewContainer = [[UIView alloc] initWithFrame:CGRectMake(0, 44, frame.size.width, frame.size.height - 44)];
Used to be frame.size.width - (REUIKitIsFlatMode() ? 20 : 0)

This seemes to fix the problem in my case, but this 20px width reduction in flat mode could be there for some reason unknown to me. I can't tell if it's a bug or a feature ...