In that case, add a case in toolbar to handle CBEN_ENDEDITW only.
7-zip file manager's toolbar's parent is unicode (no unicode -> ansi conversion when forwarding).
[`dlls/comctl32/tests/toolbar.c`](https://gitlab.winehq.org/wine/wine/-/blob/ae6366b33c7a6a40802034bc4d12eaf31... toolbar's parent is ansi (`CBEN_ENDEDITW` converted to `CBEN_ENDEDITA` if running in windows xp professional x64 edition service pack 2).
Should wine's `comctl32.dll` toolbar support unicode -> ansi conversion?