ACP2E-2689: No Appropriate error message when website id is wrong in the request

- Fixed the CR comments.

Author: devarul

app/code/Magento/Catalog/Model/Product/Price/Validation/TierPriceValidator.php

@@ -373,14 +373,9 @@ private function checkWebsite(TierPriceInterface $price, $key, Result $validatio
     {
         try {
             $this->websiteRepository->getById($price->getWebsiteId());
-            $isGlobalConfig = $this->scopeConfig->getValue(
-                Data::XML_PATH_PRICE_SCOPE,
-                ScopeInterface::SCOPE_STORE
-            );
-            $isGlobalConfig = isset($isGlobalConfig) ? (int) $isGlobalConfig : null;
-            if ($isGlobalConfig === Data::PRICE_SCOPE_GLOBAL &&
-                (int) $this->allWebsitesValue !== $price->getWebsiteId()
-            ) {
+            $isWebsiteScope = $this->scopeConfig
+                ->isSetFlag(Data::XML_PATH_PRICE_SCOPE,ScopeInterface::SCOPE_STORE);
+            if (!$isWebsiteScope && (int) $this->allWebsitesValue !== $price->getWebsiteId()) {
                 throw NoSuchEntityException::singleField('website_id', $price->getWebsiteId());
             }
         } catch (\Magento\Framework\Exception\NoSuchEntityException $e) {