Set as first/last sibling is not working when using Menu Bar

Unity: Scene Tooling

2023.1.X

2022.2.X

2022.1.X

2021.3.X

Unless requested, fix will be done for 23.1 and 22.2.

Reproduction steps:

Open the attached project (“SetSibling.zip“)
Select Scene “Assets/Scenes/SampleScene”
Select the Child GameObject "Middle" ("First">"Middle") in the Hierarchy window
Observe the "Set as first sibling" Menu Item (GameObject>"Set as first sibling")

Expected result: Option is available
Actual result: Option is grayed

Reproducible with: 2021.2.0a1, 2021.2.19f1, 2021.3.10f1, 2022.1.17f1, 2022.2.0b8, 2023.1.0a11
Not reproducible with: 2020.3.39f1, 2021.1.28f1

Reproduced on: Windows 11