The MRT file looks like:

But after we export document as PDF:

Do you know how can I fix it?
Stimulsoft
- Stimulsoft.Reports.Engine.NetCore version 2020.4.2(also tried on 2022.1.6)
Operating system:
- Windows 10 Enterprise
.NET Framework:
- NET Core 3.1
Additional information:
In the Attachments.zip, there are the image, the MRT file, and the NET Core solution.