feat(FoldableList): add yfm support for list prop (#1342)

Author: lentsd

src/blocks/FoldableList/__snapshots__/FoldableList.visual.test.tsx-snapshots/FoldableList-render-stories-WithContentList-light-chromium-linux.png

@@ -287,6 +287,11 @@ export const config: BlocksConfig = {
             transformer: yfmTransformer,
             parser: parseFeatures,
         },
+        {
+            fields: ['list'],
+            transformer: yfmTransformer,
+            parser: parseFeatures,
+        },
     ],
 
     [BlockType.BannerBlock]: [