Adjust condition for GitLab fallback reporting (#2686)

Adjust condition for GitLab fallback reporting

If the reason is not related to reporting the same status (e.g. pending -> pending), fallback to comment reporting.
RELEASE NOTES BEGIN
We have improved fallback commit status reporting via comments in GitLab.
RELEASE NOTES END

Reviewed-by: Nikola Forró

packit_service/worker/reporting/reporters/gitlab.py

@@ -52,9 +52,9 @@ def set_status(
             )
         except GitlabAPIException as e:
             logger.debug(f"Failed to set the status: {e}. Response code: {e.response_code}")
-            # Ignoring Gitlab 'enqueue' error
+            # Ignoring Gitlab error regarding reporting a status of the same state
             # https://github.com/packit-service/packit-service/issues/741
-            if e.response_code != 400:
+            if e.response_code != 400 or "Cannot transition status" not in str(e):
                 # 403: No permissions to set status, falling back to comment
                 # 404: Commit has not been found, e.g. used target project on GitLab
                 logger.debug(