Reproduction steps:
1. Open the attached 'PlayableDirectorSendMessage' project
2. In the Project window select the 'Assets/Prefab.prefab'
3. Observe the Console
Expected result: No warnings are in the Console
Actual result: Several 'SendMessage cannot be called during Awake, CheckConsistency, or OnValidate (sprite: OnSpriteTilingPropertyChange)' warnings are in the Console
Reproducible with: 2019.4.39f1, 2020.3.34f1, 2021.3.3f1, 2022.1.2f1, 2022.2.0a15
Reproduced on: macOS 11.6 (Intel)