feat(hbi utils): Display clearer host count in exception message when…

… not all hosts are read - display only the newly added host count for the error message to make more sense

opl/hbi_utils.py

@@ -141,7 +141,7 @@ def verify(args, previous_records, status_data, inventory, collect_info):
         attempt += 1
         if attempt > attempts_max:
             raise Exception(
-                f"After {attempt} attempts, we only have {existing_ids} out of {args.count}"
+                f"After {attempt} attempts, we only have {existing_ids-previous_records} out of {args.count}"
             )
 
         # If there were no new hosts now, wait a bit