DialogV2: Reduce the buttons in Storybook story (#5740)

Co-authored-by: TylerJDev <[email protected]>

Author: TylerJDev

.playwright/snapshots/components/Dialog.test.ts-snapshots/Dialog-Stress-Test-dark-colorblind-linux.png

@@ -123,7 +123,7 @@ export const StressTest = ({width, height, subtitle}: DialogStoryProps) => {
   const onDialogClose = useCallback(() => setIsOpen(false), [])
   const onSecondDialogClose = useCallback(() => setSecondOpen(false), [])
   const openSecondDialog = useCallback(() => setSecondOpen(true), [])
-  const manyButtons = new Array(10).fill(undefined).map((_, i) => ({content: `Button ${i}`}))
+  const manyButtons = new Array(3).fill(undefined).map((_, i) => ({content: `Button ${i}`}))
   return (
     <>
       <Button ref={buttonRef} onClick={() => setIsOpen(!isOpen)}>