feat(gx): correct translation of mouse button index

src/gx/glsdl/GLSDLWindow.cpp

@@ -121,8 +121,8 @@ static const std::map<SDL_Scancode, KEY> s_keyConversion = {
 static MOUSEBUTTON s_buttonConversion[16] = {
     MOUSE_BUTTON_NONE,
     MOUSE_BUTTON_LEFT,
-    MOUSE_BUTTON_RIGHT,
     MOUSE_BUTTON_MIDDLE,
+    MOUSE_BUTTON_RIGHT,
     MOUSE_BUTTON_XBUTTON1,
     MOUSE_BUTTON_XBUTTON2,
     MOUSE_BUTTON_XBUTTON3,
@@ -281,6 +281,8 @@ void GLSDLWindow::DispatchSDLEvent(const SDL_Event& event) {
     case SDL_EVENT_MOUSE_MOTION:
         this->DispatchSDLMouseMotionEvent(event);
         break;
+    case SDL_EVENT_QUIT:
+        break;
     default:
         break;
     }