[1.21.3] Horse custom name doesn't affect GUI

[whiderboss]

Description of Issue

The custom GUI works for horses, but stops working when you add a name criteria, unlike block entities which do work

Steps to Reproduce

1. Create a custom GUI, and properties file for horse container with a name criteria
2. Summon horse with that name
3. Inventory remains unchanged

OptiFine Version

OptiFine HD U J2 pre11

Installation Method

Standalone

Additional Information

container=horse
texture=custom_horse

container=horse
name=bob
texture=custom_horse