Hide suggestions when submitting filters

Closes #942 (closed)

I had to nuke the toggled data and instead make the FilterInput use its isActive sync property so that it can truly be toggled both ways: the FilterInput only knows how to display suggestions and select some, but it doesn't know what a filter is made of, so it can't tell when the filters are done and we are submitting an API request. The real hiding part is now done in the FilterBar, which just hides the suggestions right before submitting the completed filters to the parent.