Merge branch '556-legend-window-is-blinking' into 'devel_12.1.x'

Resolve "legend window is blinking"

See merge request !478

frontend-js/src/main/js/gui/Legend.js

@@ -39,8 +39,10 @@ Legend.prototype._initializeGui = function () {
   var legendDiv = Functions.createElement({
     type: "div",
     id: "legend-div",
-    className: "carousel slide"
+    className: "carousel"
   });
+  legendDiv.setAttribute("data-ride", "carousel");
+
   self.getElement().appendChild(legendDiv);
 
   var indicators = Functions.createElement({