Animation Controllers don't save or load pre_effect_script

[Cubouse]

What are you trying to do, and what do you expect to happen?

Make, or load an existing Animation Controller, with variables set in pre_effect_script of particle effects.

What happens instead?

The pre_effect_script part of particle effects is not saved or loaded.

Model format in which the issue occurs

Bedrock Entity

Blockbench variant

Program

Blockbench version

5.0.4

Operating System

Windows 10

Installed Blockbench plugins

N/A

Are there any console errors?

No