Fix concurrent modification exception #1849
Merged
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Description
One Line Summary
Fix concurrentModificationException on the Model.kt data property
Details
I received a concurrentModificationException on the Model.kt data property when running the toJson() method
This PR makes the data property synchronized.
Motivation
Fix crash
Scope
All models
Testing
Unit testing
none
Manual testing
I was not able to reproduce but I made the fix because I experienced it in testing
Affected code checklist
Checklist
Overview
Testing
Final pass
This change is