[ML] Single metric viewer: Explorer chart label prop types fix (elast…

…ic#201137)

## Summary

Currently, on the dashboards page, if an explorer charts embeddable is
attached, an error appears in the console:
![Screenshot 2024-11-21 at 13 06
37](https://github.com/user-attachments/assets/978d254c-d971-46c6-b79d-b912d2fa35ae)

This issue occurs due to a PropTypes typo: `boolean` instead of `bool`.

x-pack/plugins/ml/public/application/explorer/explorer_charts/components/explorer_chart_label/explorer_chart_label.js

@@ -94,7 +94,7 @@ export function ExplorerChartLabel({
 }
 ExplorerChartLabel.propTypes = {
   detectorLabel: PropTypes.object.isRequired,
-  isEmbeddable: PropTypes.boolean,
+  isEmbeddable: PropTypes.bool,
   entityFields: PropTypes.arrayOf(ExplorerChartLabelBadge.propTypes.entity),
   infoTooltip: PropTypes.object.isRequired,
   wrapLabel: PropTypes.bool,