Fix children empty judgement in Description

src/components/DescriptionList/Description.js

@@ -10,7 +10,8 @@ const Description = ({ term, column, className, children, ...restProps }) => {
   return (
     <Col className={clsString} {...responsive[column]} {...restProps}>
       {term && <div className={styles.term}>{term}</div>}
-      {children && <div className={styles.detail}>{children}</div>}
+      {children !== null && children !== undefined &&
+        <div className={styles.detail}>{children}</div>}
     </Col>
   );
 };