Package installation by Client.Add ends in an incomplete state.

Reproduction steps

1. Open the attached “Repro“ project
2. Open the “Assets/Scenes/SampleScene.unity“ Scene
3. Select the “TestObject“ GameObject in the Hierarchy
4. Observe the “Main Player“ Script Component’s fields in the Inspector
5. Select “PackageManagerTest > Client.Add(1.4.6)“ in the Menu Bar
6. Observe the “Main Player“ Script Component’s fields in the Inspector

Expected result

“Player Name“ field has been added

Actual result

Nothing changed, no new fields are present

Environment

• Reproducible with: 2022.3.0f1, 2022.3.19f1, 2023.2.8f1, 2023.3.0b5
• Not reproducible with: 2021.3.34f1, 2022.2.21f1
• Reproducible on: Windows 11 (22H2)
• Not reproducible on: No other environment tested

Note

Entering the Play Mode fixes the issue