I am apologized for trying to apply a patch which is out-of-date, the patch is related to this bug report:
[Cann't insert any HBITMAP in RichEdit control](https://bugs.winehq.org/show_bug.cgi?id=42892)
The demo of attachment in bug report works without any problem in wine 7.20, this bug report should be fix in early version and can be closed.