Close #1584: Prevent multiple selectize/dynamic color brushes from being rendered in shiny

Author: cpsievert

inst/htmlwidgets/plotly.js

@@ -74,7 +74,7 @@ HTMLWidgets.widget({
     });
 
       // inject a "control panel" holding selectize/dynamic color widget(s)
-    if (x.selectize || x.highlight.dynamic && !instance.plotly) {
+    if ((x.selectize || x.highlight.dynamic) && !instance.plotly) {
       var flex = document.createElement("div");
       flex.class = "plotly-crosstalk-control-panel";
       flex.style = "display: flex; flex-wrap: wrap";