Actually this issue is a composition of few other behaviours, which combined allows to do this.
1. IssueInputParameters with applyDefaultValuesWhenParameterNotProvided flag set also provides default resolution and resolution date in generated issue input
2. While creating issue the resolution is discarded but resolution date is not. This caused SW-892
3. During issue creation the issue is indexed few times, where the first one still contains resolution set by (1) which sets index for very limited time in invalid state. This probably caused SW-673
The first reindex:
The second reindex: