qtwebengine crashes when `/usr/share/X11/xkb` is empty

Using Qt runtime version: 6.3.1
"notify server name: dunst, vendor: knopwob, version: 1.8.1 (2022-03-02), spec: 1.2"
qt.webenginecontext: 

GL Type: desktop
Surface Type: OpenGL
Surface Profile: CompatibilityProfile
Surface Version: 3.3
QSG RHI Backend: OpenGL
Using Supported QSG Backend: yes
Using Software Dynamic GL: no
Using Multithreaded OpenGL: no

Init Parameters:
  *  application-name Jami 
  *  browser-subprocess-path /gnu/store/kbq6fcg7sibmbllclhwq012jcqvggxcb-qtwebengine-6.3.1/lib/qt6/libexec/QtWebEngineProcess 
  *  create-default-gl-context  
  *  disable-features ConsolidatedMovementXY,InstalledApp,BackgroundFetch,WebOTP,WebPayments,WebUSB,PictureInPicture 
  *  disable-setuid-sandbox  
  *  disable-speech-api  
  *  disable-web-security  
  *  enable-features NetworkServiceInProcess,TracingServiceInProcess 
  *  enable-threaded-compositing  
  *  in-process-gpu  
  *  single-process  
  *  use-gl desktop 

xkbcommon: ERROR: Couldn't find file "rules/evdev" in include paths
xkbcommon: ERROR: There are no include paths to search
xkbcommon: ERROR: 1 include paths could not be added:
xkbcommon: ERROR:       /usr/share/X11/xkb
xkbcommon: ERROR: Couldn't look up rules 'evdev', model 'pc101', layout 'us', variant 'dvorak', options ''
[32380:32398:0721/085929.529041:FATAL:xkb_keyboard_layout_engine.cc(641)] Keymap file failed to load: us-dvorak
Trace/breakpoint trap

#if BUILDFLAG(IS_CHROMEOS_ASH) || defined(TOOLKIT_QT)
void LoadKeymap(const std::string& layout_name,
                scoped_refptr<base::SingleThreadTaskRunner> reply_runner,
                LoadKeymapCallback reply_callback) {
  std::string layout_id;
  std::string layout_variant;
  XkbKeyboardLayoutEngine::ParseLayoutName(layout_name, &layout_id,
                                           &layout_variant);
  xkb_rule_names names = {.rules = NULL,
                          .model = "pc101",
                          .layout = layout_id.c_str(),
                          .variant = layout_variant.c_str(),
                          .options = ""};
  std::unique_ptr<xkb_context, XkbContextDeleter> context;
  context.reset(xkb_context_new(XKB_CONTEXT_NO_DEFAULT_INCLUDES));
  xkb_context_include_path_append(context.get(), "/usr/share/X11/xkb");
  std::unique_ptr<xkb_keymap, XkbKeymapDeleter> keymap;
  keymap.reset(xkb_keymap_new_from_names(context.get(), &names,
                                         XKB_KEYMAP_COMPILE_NO_FLAGS));
  if (keymap) {
    std::unique_ptr<char, base::FreeDeleter> keymap_str(
        xkb_keymap_get_as_string(keymap.get(), XKB_KEYMAP_FORMAT_TEXT_V1));
    reply_runner->PostTask(
        FROM_HERE, base::BindOnce(std::move(reply_callback), layout_name,
                                  std::move(keymap_str)));
  } else {
    LOG(FATAL) << "Keymap file failed to load: " << layout_name;
  }
}
#endif