docs(tabs): fix react story class name typo & prefix usage (carbon-design-system#5103)

Author: jendowns

packages/react/src/components/Tabs/Tabs-story.js

@@ -58,7 +58,7 @@ const TabContentRenderedOnlyWhenSelected = ({
   ...other
 }) =>
   !selected ? (
-    <div {...other} ciassName="bx--visually-hidden" />
+    <div {...other} className={`${prefix}--visually-hidden`} />
   ) : (
     <div
       {...other}