fix(skeleton): ensure valid array size

Author: betavs

packages/components/skeleton/skeleton.ts

@@ -69,7 +69,7 @@ export default class Skeleton extends SuperComponent {
 
       const parsedRowCols = rowCols.map((item) => {
         if (isNumber(item)) {
-          const len = Number(item);
+          const len = Math.round(Number(item));
           return new Array(len > 0 ? len : 1).fill({
             class: this.getColItemClass({ type: 'text' }),
             style: {},