Refocus control after doing our little raise/raise dance.

Fixes: lp:1821451
* https://bugs.launchpad.net/kicad/+bug/1821451

(cherry picked from commit 4020b5689b)

cvpcb/cvpcb_mainframe.cpp

@@ -811,8 +811,12 @@ void CVPCB_MAINFRAME::CreateScreenCmp()
         // So we want to put it to front, second after our CVPCB_MAINFRAME.
         // We do this by a little dance of bringing it to front then the main
         // frame back.
+        wxWindow* focus = FindFocus();
+
         fpframe->Raise();   // Make sure that is visible.
         Raise();            // .. but still we want the focus.
+
+        focus->SetFocus();
     }
 
     fpframe->InitDisplay();