internals: refactor stop animations resolve mechanism (#1780)

* internals: refactor stop animations resolve mechanism

* remove cancel/finish listeners from stop animations function

src/internal/animate.ts

@@ -45,11 +45,8 @@ export function stopAnimations(el: HTMLElement) {
   return Promise.all(
     el.getAnimations().map(animation => {
       return new Promise(resolve => {
-        const handleAnimationEvent = requestAnimationFrame(resolve);
-
-        animation.addEventListener('cancel', () => handleAnimationEvent, { once: true });
-        animation.addEventListener('finish', () => handleAnimationEvent, { once: true });
         animation.cancel();
+        requestAnimationFrame(resolve);
       });
     })
   );