fix(storybook): add required handler props and fix TypeScript errors in component stories (#27187)

web/.storybook/main.ts

@@ -1,9 +1,5 @@
 import type { StorybookConfig } from '@storybook/nextjs'
 import path from 'node:path'
-import { fileURLToPath } from 'node:url'
-
-const __filename = fileURLToPath(import.meta.url)
-const __dirname = path.dirname(__filename)
 
 const config: StorybookConfig = {
   stories: ['../app/components/**/*.stories.@(js|jsx|mjs|ts|tsx)'],