Optimize drivers removes mute drivers from JCMs of parented objects (like clothing)

Not sure if this is intentional, but when you pick any of the options in the optimize drivers feature, it will delete all of the drivers of the mute buttons of all JCMs transferred to objects parented to the main armature, like clothing. It probably doesn’t just apply to JCMs, but all of the mute shape key-drivers on any secondary object parented to the armature you’re modifying. The main character mesh is fine though after optimization.

Tested on 1.7.4.

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