Don't raise KICAD_MANAGER_FRAME in ctor.

There's no point trying to raise a window before showing.

This triggered the wx issue https://github.com/wxWidgets/wxWidgets/issues/25348

kicad/kicad_manager_frame.cpp

@@ -300,9 +300,6 @@ KICAD_MANAGER_FRAME::KICAD_MANAGER_FRAME( wxWindow* parent, const wxString& titl
     m_acceptedExts.emplace( FILEEXT::DrillFileExtension, &KICAD_MANAGER_ACTIONS::viewDroppedGerbers );
 
     DragAcceptFiles( true );
-
-    // Ensure the window is on top
-    Raise();
 }