Patch-Magento_ConfigurableProduct-M2.2.x-fix-min-max-prices_M2.2.6.patch

--- Model/ResourceModel/Product/Indexer/Price/Configurable.php.origin	2018-09-04 16:50:56.000000000 +0300
+++ Model/ResourceModel/Product/Indexer/Price/Configurable.php	2019-01-16 12:43:41.485812431 +0300
@@ -223,8 +223,15 @@
         // adds price of custom option, that was applied in DefaultPrice::_applyCustomOption
         $selectForCrossUpdate->columns(
             [
-                'min_price' => new \Zend_Db_Expr('i.min_price - i.price + io.min_price'),
-                'max_price' => new \Zend_Db_Expr('i.max_price - i.price + io.max_price'),
+                /**
+                 * Applying fix for https://github.com/magento/magento2/issues/15654
+                 *
+                 * Old:
+                 * 'min_price' => new \Zend_Db_Expr('i.min_price - i.orig_price + io.min_price'),
+                 * 'max_price' => new \Zend_Db_Expr('i.max_price - i.orig_price + io.max_price'),
+                */
+                'min_price' => new \Zend_Db_Expr('io.min_price'),
+                'max_price' => new \Zend_Db_Expr('io.max_price'),
                 'tier_price' => 'io.tier_price',
             ]
         );