chore: Upgrade to React 18 (#38563)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Evan Rusackas <evan@preset.io>

superset-frontend/plugins/plugin-chart-cartodiagram/test/components/chartLayer.test.ts

@@ -41,6 +41,11 @@ describe('ChartLayer', () => {
     chartLayer.charts = [
       {
         htmlElement: document.createElement('div'),
+        root: { render: jest.fn(), unmount: jest.fn() } as any,
+        coordinate: [0, 0],
+        width: 100,
+        height: 100,
+        feature: {},
       },
     ];