fix: could not be converted to float

locale.xml

@@ -438,6 +438,10 @@
             <de><![CDATA[Nutzung definieren]]></de>
             <en><![CDATA[Defining unit]]></en>
         </locale>
+        <locale name="shipping.edit.template.usage">
+            <de><![CDATA[Nutzung]]></de>
+            <en><![CDATA[Usage]]></en>
+        </locale>
         <locale name="shipping.edit.template.usage.from">
             <de><![CDATA[Nutzbar von]]></de>
             <en><![CDATA[Usage from]]></en>

src/QUI/ERP/Shipping/Rules/ShippingRule.php

@@ -570,7 +570,7 @@ public function canUsedInOrder($Order)
         }
 
         if (!empty($purchaseFrom)) {
-            $purchaseFrom = \floatval($purchaseFrom);
+            $purchaseFrom = QUI\ERP\Money\Price::validatePrice($purchaseFrom);
 
             if ($purchaseFrom < $sum) {
                 QUI\ERP\Shipping\Debug::addLog(
@@ -582,7 +582,7 @@ public function canUsedInOrder($Order)
         }
 
         if (!empty($purchaseUntil)) {
-            $purchaseUntil = \floatval($purchaseUntil);
+            $purchaseUntil = QUI\ERP\Money\Price::validatePrice($purchaseUntil);
 
             if ($purchaseUntil > $sum) {
                 QUI\ERP\Shipping\Debug::addLog(