MSI: Update Magento 2 core to support MSI

Author: RomaKis

setup/src/Magento/Setup/Model/FixtureGenerator/BundleProductTemplateGenerator.php

@@ -82,8 +82,7 @@ private function getProductTemplate($attributeSet)
         $bundleOptions = $this->fixture['_bundle_options'];
         $bundleProductsPerOption = $this->fixture['_bundle_products_per_option'];
         $bundleVariationSkuPattern = $this->fixture['_bundle_variation_sku_pattern'];
-        mt_srand(mt_rand() + (100000000 * (float)microtime()) % PHP_INT_MAX);
-        $productRandomizerNumber = crc32(mt_rand(1, PHP_INT_MAX));
+        $productRandomizerNumber = crc32(random_int(1, PHP_INT_MAX));
         $bundleProduct = $this->productFactory->create([
             'data' => [
                 'attribute_set_id' => $attributeSet,

setup/src/Magento/Setup/Model/FixtureGenerator/ConfigurableProductTemplateGenerator.php

@@ -78,8 +78,7 @@ public function generateEntity()
      */
     private function getProductTemplate($attributeSet)
     {
-        mt_srand(mt_rand() + (100000000 * (float)microtime()) % PHP_INT_MAX);
-        $productRandomizerNumber = crc32(mt_rand(1, PHP_INT_MAX));
+        $productRandomizerNumber = crc32(random_int(1, PHP_INT_MAX));
         $product = $this->productFactory->create([
             'data' => [
                 'attribute_set_id' => $attributeSet,

setup/src/Magento/Setup/Model/FixtureGenerator/SimpleProductTemplateGenerator.php

@@ -62,8 +62,7 @@ public function generateEntity()
      */
     private function getProductTemplate($attributeSet, $additionalAttributes = [])
     {
-        mt_srand(mt_rand() + (100000000 * (float)microtime()) % PHP_INT_MAX);
-        $productRandomizerNumber = crc32(mt_rand(1, PHP_INT_MAX));
+        $productRandomizerNumber = crc32(random_int(1, PHP_INT_MAX));
         $product = $this->productFactory->create([
             'data' => [
                 'attribute_set_id' => $attributeSet,