Tested versions

-Reproductible: v4.5.dev3.official.28089c40c

• Not reproductible: v4.5.dev2.official.af2c71397

System information

Linux debian, Godot Engine v4.5.dev3.official.28089c40c OpenGL API 3.3.0 NVIDIA 470.256.02 - Compatibility - Using Device: NVIDIA - NVIDIA GeForce GT 740M

Issue description

As you can see on images when i click "open editor" godot go to crash:

Steps to reproduce

1: Create new empty project
2: Create new 3D scene
3: Add AnimationPlayer node to scene
4: Add AnimationTree node to scene
5: Assign AnimationPlayer to AnimationTree node
6: Assign tree root: AnimationNodeBlendTree
7: open AnimationTree editor and add BlendSpace2D then click "open editor" then godot go crash

Minimal reproduction project (MRP)

Please look at: Steps to reproduce