message: fixed SPythonComboBox content sanity check
diff: @@ -112,7 +112,7 @@ static int ue_py_spython_combo_box_init(ue_PySPythonComboBox *self, PyObject *ar
  PyObject *content = ue_py_dict_get_item(kwargs, "content");
  if (content) {
  s_widget_content = py_ue_is_swidget(content);
  - if (!content) {
  + if (!s_widget_content) {
  PyErr_SetString(PyExc_Exception, "content is not a SWidget");
  return -1;
  }
  @@ -133,7 +133,7 @@ static int ue_py_spython_combo_box_init(ue_PySPythonComboBox *self, PyObject *ar
  ue_py_slate_farguments_optional_float("max_list_height", MaxListHeight);
  ue_py_slate_farguments_optional_enum("method", Method, EPopupMethod);
  ue_py_slate_farguments_optional_struct("pressed_sound_override", PressedSoundOverride, FSlateSound);
  - ue_py_slate_farguments_optional_struct("pressed_sound_override", PressedSoundOverride, FSlateSound);
  + ue_py_slate_farguments_optional_struct("selection_change_sound_override", SelectionChangeSoundOverride, FSlateSound);
  ue_py_slate_farguments_event("on_generate_widget", OnGenerateWidget, TSlateDelegates<TSharedPtr<FPythonItem>>::FOnGenerateWidget, OnGenerateWidget);
  ue_py_slate_farguments_event("on_selection_changed", OnSelectionChanged, TSlateDelegates<TSharedPtr<FPythonItem>>::FOnSelectionChanged, OnSelectionChanged);
  