Reproduction steps:
1. Open "RuleTileTest" project
2. Open the "SampleScene" scene
3. Go to File -> Build and Run
4. Press on the "SpawnTileMap" button
Expected result: One white circle appeared
Actual result: Two white circles appeared
Reproducible with: 2020.3.25f1, 2020.3.34f1, 2021.3.3f1, 2022.1.2f1, 2022.2.0a15
Not reproducible with: 2019.4.39f1, 2020.3.24f1
Reproduced on: Windows 10