Reproduction steps:
1. Open the attached “ReproProj” project through the Hub
2. Open “Assets/Scenes/SampleScene.unity” Scene
3. In the Hierarchy window, select “Effect Mesh Rest” Game Object
4. Shift-click on “Effect Mesh Floor” Game Object

Expected result: Both Game Objects are selected
Actual result: The Editor crashes

Reproducible with: 2022.3.14f1, 2022.3.20f1
Not reproducible with: 2021.3.37f1, 2022.3.13f1, 6000.0b16
Fixed in: 2022.3.21f1
Couldn't test with: 2023.2.19f1 (“Library/PackageCache/com.unity.xr.management@4.4.1/Editor/Metadata/KnownPackages.cs(232,50): error CS0117: 'BuildTargetGroup' does not contain a definition for 'VisionOS'“ error)

Reproducible on: macOS 14.4.1 (M1 Max), Windows 10
Not reproducible on: No other environment tested