Adopt fix in groups price calculator

public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue

@@ -247,12 +247,13 @@ export default {
             default: 1.7,
         },
         shortTermFactors: {
-            type: Object,
+            type: Array,
             default() {
-                return {
-                    2: 0.2,
-                    3: 0.1,
-                }
+                return [
+                    { nights: 1, factor: 0.3 },
+                    { nights: 2, factor: 0.2 },
+                    { nights: 3, factor: 0.1 },
+                ]
             }
         },
     },
@@ -463,11 +464,10 @@ export default {
         },
         priceShortTerm() {
             let price = 0;
-            const totalPricePax = (this.pricePax.base + this.pricePax.additional);
-            for (let [nights, factor] of Object.entries(this.shortTermFactors)) {
-                if (nights === this.nightsCount) {
-                    price = totalPricePax * factor;
-                }
+            const totalPricePax = this.pricePax.base + this.pricePax.additional;
+            const shorTermFactor = this.shortTermFactors.find(element => element.nights === this.nightsCount);
+            if (undefined !== shorTermFactor) {
+                price = totalPricePax * shorTermFactor.factor;
             }
             return price;
         },