Extract fieldFilterExpression so we can use it with FilterTransform in Voyager
Extract fieldFilterExpression so we can use it with FilterTransform in Voyager

uwdata/vega-lite,uwdata/vega-lite,uwdata/vega-lite,vega/vega-lite,vega/vega-lite,vega/vega-lite,uwdata/vega-lite,vega/vega-lite,vega/vega-lite,uwdata/vega-lite