chore(lint): convert Storybook stories and shared utils to function components

Converts all .stories.tsx files across plugins and packages, plus
shared .storybook/shared utilities, from class components to function
components. No functional changes — purely structural cleanup.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

superset-frontend/plugins/plugin-chart-table/src/stories/Table.stories.tsx

@@ -19,6 +19,7 @@
 
 import memoizeOne from 'memoize-one';
 import { DataRecord, SuperChart, VizType } from '@superset-ui/core';
+import { supersetTheme } from '@apache-superset/core/ui';
 import TableChartPlugin, {
   TableChartProps,
 } from '@superset-ui/plugin-chart-table';
@@ -144,6 +145,7 @@ function loadData(
 
 export const Basic = ({ width, height }: { width: number; height: number }) => (
   <SuperChart
+    theme={supersetTheme}
     chartType={VizType.Table}
     datasource={{
       columnFormats: {},
@@ -195,6 +197,7 @@ export const BigTable = ({
     <SuperChart
       chartType={VizType.Table}
       {...chartProps}
+      theme={supersetTheme}
       width={width}
       height={height}
     />