[desktop_webview_window]A RenderFlex overflowed

If you click the minimize button in the upper right corner of the Web window, you will most likely get an overflow error

======== Exception caught by rendering library =====================================================
The following assertion was thrown during layout:
A RenderFlex overflowed by 119 pixels on the right.

The relevant error-causing widget was: 
  Row Row:file:///C:/Users/ilgnefz/AppData/Local/Pub/Cache/hosted/pub.flutter-io.cn/desktop_webview_window-0.1.6/lib/src/title_bar.dart:218:10
The overflowing RenderFlex has an orientation of Axis.horizontal.
The edge of the RenderFlex that is overflowing has been marked in the rendering with a yellow and black striped pattern. This is usually caused by the contents being too big for the RenderFlex.

Consider applying a flex factor (e.g. using an Expanded widget) to force the children of the RenderFlex to fit within the available space instead of being sized to their natural size.
This is considered an error condition because it indicates that there is content that cannot be seen. If the content is legitimately bigger than the available space, consider clipping it with a ClipRect widget before putting it in the flex, or using a scrollable container rather than a Flex, like a ListView.

The specific RenderFlex in question is: RenderFlex#45928 OVERFLOWING
...  parentData: offset=Offset(0.0, 0.0) (can use size)
...  constraints: BoxConstraints(w=0.8, h=40.0)
...  size: Size(0.8, 40.0)
...  direction: horizontal
...  mainAxisAlignment: start
...  mainAxisSize: max
...  crossAxisAlignment: center
...  textDirection: ltr
...  verticalDirection: down
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Start in desktop_webview_window/src/title_bar.dart around line 218 and reproduce the overflow by clicking the Web window's minimize button. Confirm the title bar's horizontal layout no longer reports a RenderFlex overflow under the reported narrow constraints.