Fix wrong tier price displayed when some tier prices are higher than special price (OpenMage#5117)

* Skip tier prices >= final price

Added a check to skip tier prices that are greater than or equal to the final price.

* phpcsfix

* rector rules

* Update app/code/core/Mage/Catalog/Helper/Product/Type/Composite.php

Co-authored-by: Copilot <[email protected]>

* newline rector

---------

Co-authored-by: Copilot <[email protected]>
Co-authored-by: Sven Reichel <[email protected]>

Author: 3 people

app/code/core/Mage/Catalog/Helper/Product/Type/Composite.php

@@ -177,6 +177,17 @@ public function prepareJsonProductConfig($product)
         $_tierPrices = [];
         $_tierPricesInclTax = [];
         foreach ($product->getTierPrice() as $tierPrice) {
+            // Skip tier prices >= lower of final price or group price
+            $comparePrice = $_finalPrice;
+            $groupPrice = $product->getGroupPrice();
+            if ($groupPrice !== null && $groupPrice < $comparePrice) {
+                $comparePrice = $groupPrice;
+            }
+
+            if ((float) $tierPrice['website_price'] >= $comparePrice) {
+                continue;
+            }
+
             $_tierPrices[] = Mage::helper('core')->currency(
                 Mage::helper('tax')->getPrice($product, (float) $tierPrice['website_price'], false) - $_priceExclTax,
                 false,