simularium files that have "_all" ie, use time, meshes don't work

[meganrm]

Description

when running a bunch of packings, and then saving them all in one simularium file, if the containers are meshes, they don't load.

Expected Behavior

They should load and be consistent across the packings

Reproduction

A minimal example that exhibits the behavior.

Environment

Any additional information about your environment

[mogres]

Here is an example packing:
mean_peroxisome_packing.zip