wip: improved refresh logic

src/Service/BookingPriceCalculatorService.php

@@ -286,6 +286,12 @@ class BookingPriceCalculatorService
             }
 
             $subType = $serviceData['subType'] ?? 'other';
+
+            // Normalize rental subtypes to avoid duplicate sections
+            if (true === in_array($subType, Constants::TOKEN_RENTALS, true)) {
+                $subType = 'rentals'; // Normalize all rental subtypes to a single key
+            }
+
             $isDiscount = $serviceData['totalPrice'] < 0;
 
             // Create separate buckets for positive costs and discounts
@@ -332,9 +338,10 @@ class BookingPriceCalculatorService
             Constants::TOKEN_ADDITIONAL => 'Zusatzleistungen',
             Constants::TOKEN_BOARD => 'Verpflegung',
             'transportation' => 'Beförderung',
+            'rentals' => 'Leihmaterial', // Normalized rental subtype
         ];
 
-        // Handle rentals array
+        // Handle rentals array (keep for backward compatibility with non-normalized subtypes)
         if (true === in_array($subType, Constants::TOKEN_RENTALS, true)) {
             return 'Leihmaterial';
         }