Hide WorldButton when in game mode

apps/openmw/mwgui/mapwindow.cpp

@@ -774,6 +774,12 @@ namespace MWGui
         mLastScrollWindowCoordinates = currentCoordinates;
     }
 
+    void MapWindow::setVisible(bool visible)
+    {
+        WindowBase::setVisible(visible);
+        mButton->setVisible(visible && MWBase::Environment::get().getWindowManager()->isGuiMode());
+    }
+
     void MapWindow::renderGlobalMap()
     {
         mGlobalMapRender->render();

apps/openmw/mwgui/mapwindow.hpp

@@ -204,6 +204,7 @@ namespace MWGui
         void setCellName(const std::string& cellName);
 
         virtual void setAlpha(float alpha);
+        void setVisible(bool visible);
 
         void renderGlobalMap();