fix group anim queue

Author: jljsj33

src/TweenOneGroup.tsx

@@ -179,7 +179,7 @@ const TweenOneGroup: TweenOneGroupRef = React.forwardRef<any, IGroupProps>((prop
   };
   useLayoutEffect(() => {
     if (oneEnter.current) {
-      const nextChild = toArrayChildren(props.children);
+      const nextChild = toArrayChildren(props.children).filter((c) => c);
       const currentChild = toArrayChildren(currentChildren.current);
       // 不计入正在进场的元素又进场；
       const newNextChild = nextChild.filter(
@@ -191,11 +191,13 @@ const TweenOneGroup: TweenOneGroupRef = React.forwardRef<any, IGroupProps>((prop
           ),
       );
       // 如果还在动画，暂存动画队列里，等前一次动画结束后再启动最后次的更新动画
-      if (Object.keys(isTween.current).length && !exclusive) {
-        // animQueue.current.push(nextChild);
-        if (nextChild.length && newNextChild.length) {
-          animQueue.current.push(newNextChild);
-        }
+      if (
+        Object.keys(isTween.current).length &&
+        !exclusive &&
+        nextChild.length &&
+        newNextChild.length
+      ) {
+        animQueue.current.push(newNextChild);
       } else {
         setChild(changeChildren(nextChild, currentChild));
       }