fix: fixed duplication for single chlid

Author: md-rehman

src/utils/getAttachedChildren.ts

@@ -6,6 +6,10 @@ export default (children: any) => {
  | Separate the trailing (not first) children from the children array
  */
 
+ if (childrenArray.length <= 1) {
+ return childrenArray;
+ }
+
  const trailingChildren = childrenArray.slice(1);
  trailingChildren.pop();
  const marginProp: object = {