Update lib/azure-blob-storage.js

Co-authored-by: Marten Schiwek <marten.schiwek@sap.com>

Author: KoblerS

lib/azure-blob-storage.js

@@ -189,7 +189,7 @@ module.exports = class AzureAttachmentsService extends require("./basic") {
     try {
       // Check separate object store instances
       if (separateObjectStore) {
-        const tenantID = req?.tenant
+        const tenantID = cds.context.tenant
         if (!tenantID) {
           logConfig.withSuggestion('error',
             'Tenant ID required for separate object store mode', null,