fix: qualityMenu button to left of playToggle (#118)

* fix: qualityMenu button to left of playToggle

* use indexof instead of findIndex

Co-authored-by: hswaminathan <[email protected]>

Author: harisha-swaminathan

src/plugin.js

@@ -336,12 +336,9 @@ const plugin = function(options) {
       }
 
       if (referenceChild) {
-        const controlBarChild = this.controlBar.addChild('overlay', mergeOptions);
+        const referenceChildIndex = this.controlBar.children().indexOf(referenceChild);
+        const controlBarChild = this.controlBar.addChild('overlay', mergeOptions, referenceChildIndex);
 
-        this.controlBar.el().insertBefore(
-          controlBarChild.el(),
-          referenceChild.el()
-        );
         return controlBarChild;
       }
     }