Fix typo in payment terminal message variable name

Author: andi34

assets/js/tools.js

@@ -634,7 +634,7 @@ const photoboothTools = (function () {
         const priceEuro = (priceCents / 100).toFixed(2).replace('.', ',');
         const paymentMessage = (config.payments?.message || api.getTranslation('payments_message')).replace('%price%', priceEuro);
         const paymentQrMsg = api.getTranslation('payments_qr_message');
-        const paymentTerminslMsg = api.getTranslation('payments_terminal_message');
+        const paymentTerminalMsg = api.getTranslation('payments_terminal_message');
 
         api.overlay.show(paymentMessage);
         api.isPrinting = true;