Merge branch 'next-2.x' into 'main'

fix: runtime currency - session closed

See merge request !57

src/QUI/ERP/Currency/Handler.php

@@ -603,8 +603,12 @@ public static function getRuntimeCurrency(): Currency
         }
 
         if (QUI::isFrontend()) {
-            self::$RuntimeCurrency = self::getUserCurrency(QUI::getUserBySession());
-            return self::$RuntimeCurrency;
+            $Currency = self::getUserCurrency(QUI::getUserBySession());
+
+            if ($Currency) {
+                self::$RuntimeCurrency = $Currency;
+                return self::$RuntimeCurrency;
+            }
         }
 
         return self::getDefaultCurrency();