“SendMessage cannot be called during Awake” warning appears when entering Play Mode if having Canvas nested in Canvas and the "Enter Play Mode Options" enabled

How to reproduce:
1. Open the user’s attached project
2. Enter Play Mode
3. Observe the Console window

Expected result: No warning
Actual result: “SendMessage cannot be called during Awake” warning appears

Reproducible with: 2021.3.6f1, 2021.3.8f1, 2022.1.13f1, 2022.2.0b5, 2023.1.0a6
Not reproducible with: 2020.3.38f1, 2021.3.5f1

Reproduced on: macOS 12.4 (Intel)

Note: Not reproducible without the “Enter Play Mode Options” setting (Edit > Project Settings > Editor > Enter Play Mode Options)

Full warning: SendMessage cannot be called during Awake, CheckConsistency, or OnValidate (Canvas: OnCanvasHierarchyChanged)