"The character with Unicode value X was not found ..." warning message is constantly being logged in the Console when selecting Text GameObject in the Hierarchy

Reproduction steps:

1. Open the attached “Repro” project
2. Open the “Assets/Scenes/SampleScene.unity” Scene
3. Select the “Text(Legacy)” and/or “Text(TMP)” GameObjects in the Hierarchy Window under “Canvas” GameObject
4. Observe the Console window

Expected result: No errors are present
Actual result: “The character with Unicode value □ was not found in the [] font asset or any potential fallbacks. It was replaced by Unicode character □.” error is being repeatedly logged

Reproducible with: 2023.1.0a20, 2023.1.13f1, 2023.2.0a4,
Not reproducible with: 2021.3.30f1, 2022.3.9f1, 2023.1.0a19, 2023.3.0a5
Fixed in: 2023.2.0a5

Reproducible on: M1 MacOS 13.4.1, Windows 10 (21H2)
Not reproducible on: No other environment has been tested