Irregular rendering when using viewerCesium3DTilesInspectorMixin in 3D Tiles 1.1 CDB Yemen sandcastle

[lukemckinstry]

What happened?

I see irregular rendering behavior when I add the following line to the "3D Tiles 1.1 CDB Yemen" sandcastle example https://sandcastle.cesium.com/?src=3D%20Tiles%201.1%20CDB%20Yemen.html&label=3D%20Tiles
viewer.extend(Cesium.viewerCesium3DTilesInspectorMixin);

Screencast.from.11-21-2024.03.42.30.PM.webm

I do not see the problem on other sandcastle examples

Reproduction steps

1. add viewer.extend(Cesium.viewerCesium3DTilesInspectorMixin); to linked sandcastle example

Sandcastle example

Sandcastle Example

Environment

Browser: Chrome Version 130.0.6723.116 (Official Build) (64-bit)
CesiumJS Version: 1.123.1
Operating System: Ubuntu 22.04