How to reproduce:
1. Open any VFX and add AABox property to the Blackboard
2. Select VFX GameObject in the Hierarchy
3. In Gizmos dropdown of Visual Effect Panel (Scene View), select AABox

Expected result: No errors thrown to the console, gizmos are visible and editable, content of Visual Effect Tester panel is displayed
Actual result: NullReferenceException is thrown to the console, gizmos do not appear in the Scene View and Visual Effect Tester is blank

Reproducible with: 2022.1.0a4(master)

Errors thrown to the console:
- NullReferenceException: Object reference not set to an instance of an object
UnityEditor.Handles.GetCameraViewFrom (UnityEngine.Vector3 position, UnityEngine.Matrix4x4 matrix) (at C:/buildslave/unity/build/Editor/Mono/Handles.cs:797)