Add a fix for the keyboard focus in Bitwig 3.2

src/wine-host/editor.h

@@ -113,6 +113,13 @@ class Editor {
     void handle_x11_events();
 
    private:
+    /**
+     * Lie to the Wine window about its coordinates on the screen for
+     * reparenting without using XEmbed. See the comment at the top of the
+     * implementation on why this is needed.
+     */
+    void fix_window_coordinates();
+
     /**
      * A pointer to the currently active window. Will be a null pointer if no
      * window is active.