[Layout foundations] Fix listReset class from not applying to ordered lists (#8600)

Author: kyledurand

.changeset/smart-candles-dress.md

@@ -0,0 +1,5 @@
+---
+'@shopify/polaris': minor
+---
+
+Fixed list reset class from not applying to ordered lists

polaris-react/src/components/AlphaStack/AlphaStack.tsx

@@ -45,7 +45,7 @@ export const AlphaStack = ({
 }: AlphaStackProps) => {
   const className = classNames(
     styles.AlphaStack,
-    as === 'ul' && styles.listReset,
+    (as === 'ul' || as === 'ol') && styles.listReset,
     as === 'fieldset' && styles.fieldsetReset,
   );