Make slider work for updating circles

[BarbourSmith]

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[BarbourSmith]

@alzatin I used the mouseUp event instead of the slider one because I only wanted to update the circles when the slide was finished. Basically the way it works it calls the topLevelMolecule and tells it to update it's circles and to tell any atoms beneath that to update their circles too. I'm not 100% sure it runs in the most efficient way possible, but it's OK for now.

It won't work on atoms imported from github which have no inputs because those are now locked and empty after loading to save memory use. Basically I figured if they have no inputs they are never going to update so I deleted all the stuff inside them after they load the first time to save space. I think that's fine for now too.