fix: storybook with typescript (#2926)

* fix storybook for typescript

* fix babel

platform/ui/src/components/SplitButton/__stories__/splitButton.stories.mdx

@@ -10,7 +10,7 @@ export const argTypes = {
 
 <Meta title="Components/SplitButton" component={SplitButton} />
 
-export const SplitButtonTemplate = (args) => (
+export const SplitButtonTemplate = args => (
   <div className="h-32 bg-primary-dark">
     <SplitButton {...args} />
   </div>
@@ -18,7 +18,7 @@ export const SplitButtonTemplate = (args) => (
 
 <Heading
   title="SplitButton"
-  componentRelativePath="SplitButton/SplitButton.jsx"
+  componentRelativePath="SplitButton/SplitButton.tsx"
 />
 
 - [Overview](#overview)