Continued work on media schedule panel.

www/js/utils.js

@@ -35,6 +35,20 @@ class canopyUtils{
         https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/escape */
         return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
     }
+
+    async awaitNextFrame(){
+        //return a new promise
+        return new Promise((resolve)=>{
+            //Before the next frame
+             requestAnimationFrame(()=>{
+                //fires before next-next frame (after next frame)
+                requestAnimationFrame(()=>{
+                    //resolve the promise
+                    resolve();
+                });
+            });
+        })
+    }
 }
 
 class canopyUXUtils{