https://bugs.winehq.org/show_bug.cgi?id=47929
--- Comment #7 from minion minion.procyk@gmail.com --- For anyone having this issue and doesn't already know about this. There is a reg hack workaround. Open up the wine console to open regedit and add the following key.
[HKCU\software\Wine\X11 Driver] > New String > UseTakeFocus="no"