Pack and Go the local version and not what's checked into the vault??

I was trying to send an assembly to a co-worker. I had added a Cut-Extrude to the assembly to illustrate the change I was going to make at the part level (if approved). Pack and Go would not use the version I had saved to the local machine but would only use the version in the Enterprise vault instead. I was trying not to save the hacked up assembly to the vault but Pack and Go would not do it. Why does Pack and Go not use the version being edited?  It's bizarre behavior.

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