This broke as a side-effect of https://github.com/electron/electron/pull/19159, so it's broken starting in the April 2 nightly of 14.0.0 up to now.

Current behavior is that, instead of dialog buttons having text such as `Open` or `Close`, they read `gtk-open` or `gtk-close`.
shell/browser/ui/gtk_util.cc
#include "shell/browser/ui/gtk_util.h"
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include <stdint.h>
#include <string>
#include "base/no_destructor.h"
#include "base/strings/string_number_conversions.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#include "third_party/skia/include/core/SkUnPreMultiply.h"
#include "ui/gtk/gtk_compat.h"  
namespace gtk_util {
const char* GettextPackage() {