use payments/sse on the core wallet UI.

still fallback to the invoice polling (now with a 5 seconds interval
because less than that is too annoying).

this fixes issues with /lnurlwallet invoices not getting paid in time,
so we update the UI automatically when they do get paid.

(see https://t.me/lnbits/7069)

lnbits/decorators.py

@@ -9,12 +9,13 @@ from lnbits.core.crud import get_user, get_wallet_for_key
 from lnbits.settings import LNBITS_ALLOWED_USERS
 
 
-def api_check_wallet_key(key_type: str = "invoice"):
+def api_check_wallet_key(key_type: str = "invoice", accept_querystring=False):
     def wrap(view):
         @wraps(view)
         async def wrapped_view(**kwargs):
             try:
-                g.wallet = get_wallet_for_key(request.headers["X-Api-Key"], key_type)
+                key_value = request.headers.get("X-Api-Key") or request.args["api-key"]
+                g.wallet = get_wallet_for_key(key_value, key_type)
             except KeyError:
                 return (
                     jsonify({"message": "`X-Api-Key` header missing."}),