Xporter backup restore does not set permission scheme as default

Description
Xporter backup restore does not set the permission scheme as default.

Pre-conditions

Set a Permission Scheme as default.

How to reproduce

1. Export a backup from Xporter settings
2. Import this same backup file

Actual result/Attachments

After restore, the permission scheme is not marked as default.

Expected result

After restore, the permission scheme should be marked as default, as in the original configuration.

Version
Xporter 6.6.7
Jira 8.14.0