fix #907,always check overlap for dodgeMaximize

--the check in order to identify if a maximized window
overlaps with the dock wasnt always been executed. That
was the case for multi-screens environments.

app/dock/visibilitymanager.cpp

@@ -417,14 +417,14 @@ void VisibilityManagerPrivate::dodgeMaximized(WindowId wid)
     }
 
     auto isMaxVert = [&]() noexcept -> bool {
-        return winfo.isMaxVert()
+        return ((winfo.isMaxVert()
-               || (view->screen() && view->screen()->availableSize().height() <= winfo.geometry().height()
+                 || (view->screen() && view->screen()->availableSize().height() <= winfo.geometry().height()))
                 && intersects(winfo));
     };
 
     auto isMaxHoriz = [&]() noexcept -> bool {
-        return winfo.isMaxHoriz()
+        return ((winfo.isMaxHoriz()
-               || (view->screen() && view->screen()->availableSize().width() <= winfo.geometry().width()
+                 || (view->screen() && view->screen()->availableSize().width() <= winfo.geometry().width()))
                 && intersects(winfo));
     };