[New3D] - semantic map showing error in default dataset

[snosenzo]

Description Semantic map in new 3D settings panel is showing an error in the "explore sample data" dataset

• Version:
• OS: web/macos
• Data source (e.g. bag file, mcap file, rosbridge, ROS 1/2 native):
• ROS distro (if applicable):

Steps To Reproduce

• explore sample data
• use new 3D panel
• toggle semantic map topic to visible
• see error next to semantic map

Expected Behavior

• would expect the sample data to not have an error

Actual Behavior

• sample data has error in 3d panel