try to fall back to xcb if wayland forced on packaged build

https://forums.ankiweb.net/t/anki-doesnt-start-under-wayland-linux/10409/5

qt/aqt/__init__.py

@@ -461,6 +461,14 @@ def _run(argv: Optional[List[str]] = None, exec: bool = True) -> Optional[AnkiAp
         profiler = cProfile.Profile()
         profiler.enable()
 
+    if (
+        isWin
+        and getattr(sys, "frozen", False)
+        and os.getenv("QT_QPA_PLATFORM") == "wayland"
+    ):
+        # the packaged builds currently do not support wayland natively
+        os.environ["QT_QPA_PLATFORM"] = "xcb"
+
     # default to specified/system language before getting user's preference so that we can localize some more strings
     lang = anki.lang.get_def_lang(opts.lang)
     anki.lang.set_lang(lang[1])