share function should work with loaded characters from vrm

[kasumi-1]

if you load a vrm file then go to share, the vrm file you previously selected is not preloaded to the vrm uploader widget. with share being a separate page this is tricker, this probably requires #56

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Arbius has a $100 AIUS bounty for this issue!

Brief: Share function should work with loaded characters from VRM.

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I believe this has been solved with char load and save. If problem happens again, should create new issue with bug label.