Wrong argument order when calling DiffusionQuery::callConduitWithDiffusionRequest.

Due to the exception thrown by callConduitWithDiffusionRequest ("Argument 1 passed to DiffusionQuery::callConduitWithDiffusionRequest() must be an instance of PhabricatorUser, instance of DiffusionGitRequest given, called in /opt/phabricator/phabricator/src/applications/herald/adapter/HeraldCommitAdapter.php on line 123...") the "Field: Any changed file content" in the transcript always contained '<<< Failed to load diff, this may mean the change was unimaginably enormous. >>>'.