Editor: Undo/Redo for a custom function can lead to crash.

[eprikazchikov]

Description

Undo/Redo for a custom function can lead to crash.

Prerequisites

Open Material Editor

Steps to Reproduce

1. Create Black Body node
2. Delete node
3. Undo deletion

Expected behavior:

Black Body node returned back in graph

Actual behavior:

Application crashed

Reproducibility:

100%

Versions

2023.2

Additional Information

n/a