Revert recent changes to wxDataViewCtrl which resulted in unacceptable performance regressions. See https://github.com/wxWidgets/wxWidgets/pull/2461 See #14939, #19003.
Revert recent changes to wxDataViewCtrl which resulted in unacceptable performance regressions. See https://github.com/wxWidgets/wxWidgets/pull/2461 See #14939, #19003.