MAGETWO-71595: Issue while loading product options for bundle products with the same ids and different options

- Fix loading product options for bundle products

Author: kirylbakun

app/code/Magento/Bundle/Model/Product/Type.php

@@ -687,7 +687,7 @@ protected function _prepareProduct(\Magento\Framework\DataObject $buyRequest, $p
                         $options
                     );
 
-                    $optionsCollection->appendSelections($selections, false, $_appendAllSelections);
+                    $optionsCollection->appendSelections($selections, true, $_appendAllSelections);
 
                     $selections = $selections->getItems();
                 } else {
@@ -704,7 +704,7 @@ protected function _prepareProduct(\Magento\Framework\DataObject $buyRequest, $p
                     ->getOptionsIds($product);
                 $selectionCollection = $product->getTypeInstance()
                     ->getSelectionsCollection($optionIds, $product);
-                $options = $optionCollection->appendSelections($selectionCollection, false, $_appendAllSelections);
+                $options = $optionCollection->appendSelections($selectionCollection, true, $_appendAllSelections);
 
                 $selections = $this->mergeSelectionsWithOptions($options, $selections);
             }