fix(storage): align credential source ordering for consistency

Author: waleedlatif1

apps/sim/lib/uploads/providers/blob/client.ts

@@ -48,17 +48,17 @@ function parseConnectionString(connectionString: string): ParsedCredentials {
  * Get account credentials from BLOB_CONFIG, extracting from connection string if necessary.
  */
 function getAccountCredentials(): ParsedCredentials {
+  if (BLOB_CONFIG.connectionString) {
+    return parseConnectionString(BLOB_CONFIG.connectionString)
+  }
+
   if (BLOB_CONFIG.accountName && BLOB_CONFIG.accountKey) {
     return {
       accountName: BLOB_CONFIG.accountName,
       accountKey: BLOB_CONFIG.accountKey,
     }
   }
 
-  if (BLOB_CONFIG.connectionString) {
-    return parseConnectionString(BLOB_CONFIG.connectionString)
-  }
-
   throw new Error(
     'Azure Blob Storage credentials are missing – set AZURE_CONNECTION_STRING or both AZURE_ACCOUNT_NAME and AZURE_ACCOUNT_KEY'
   )