feat: auto refresh dashboard (#37459)

Co-authored-by: Richard <richard@ip-192-168-1-32.sa-east-1.compute.internal>
Co-authored-by: richard <richard@richards-MacBook-Pro-2.local>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Evan Rusackas <evan@preset.io>

superset-frontend/plugins/plugin-chart-echarts/test/utils/series.test.ts

@@ -53,7 +53,7 @@ import { NULL_STRING } from '../../src/constants';
 
 const expectedThemeProps = {
   selector: ['all', 'inverse'],
-  selected: undefined,
+  selected: {},
   selectorLabel: {
     fontFamily: theme.fontFamily,
     fontSize: theme.fontSizeSM,