`tickLabelColor` should compile into `fill` instead of `stroke`
`tickLabelColor` should compile into `fill` instead of `stroke`

Fix #1561

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