fix: correct title config precedence (#5967)
fix: correct title config precedence (#5967)

Fix https://github.com/vega/vega-lite/issues/5947
vega/vega-lite,uwdata/vega-lite,vega/vega-lite,uwdata/vega-lite,uwdata/vega-lite,vega/vega-lite,vega/vega-lite,uwdata/vega-lite,uwdata/vega-lite,vega/vega-lite