How to reproduce:
1. Create a new project
2. In the Hierarchy window add a Canvas GameObject
3. Observe the Canvas GameObject position values

Expected result: Values are shown as “514”
Actual result: Values are shown as “1.541428e-44”

Reproducible with: 2022.3.3f1, 2022.3.4f1
Not reproducible with: 2021.3.27f1, 2022.3.2f1, 2023.1.0a1, 2023.1.2f1, 2023.2.0a21

Reproduced on: macOS 13.2.1 (Intel)

Notes:
Not reproducible after opening the Game window and coming back to the Scene window
Also reproducible on upgraded projects or when an existing project is opened with Editor closed on the Scene tab