ACP2E-2905: [Cloud] Issue of Quote in multi-website architecture

- with test

Author: arnobsh

app/code/Magento/Checkout/Model/Plugin/RecollectQuoteOnCustomerGroupChange.php

@@ -138,7 +138,7 @@ private function collectTotalsForCustomerGlobalScope(Customer|AbstractModel $cus
         $allStores = $this->storeManager->getStores();
         foreach ($allStores as $store) {
             /** @var Quote $quote */
-            $quote = $this->cartRepository->getActive($store->getId());
+            $quote = $this->cartRepository->getActiveForCustomer($customer->getId(), [$store->getId()]);
             if ($quote) {
                 $quote->setCustomerGroupId($customer->getGroupId());
                 $quote->collectTotals();