Don't do anything in RichTextInputEvent on native mobile (#13929)

packages/editor/src/components/index.native.js

@@ -5,6 +5,7 @@ export {
 	default as RichText,
 	RichTextShortcut,
 	RichTextToolbarButton,
+	RichTextInputEvent,
 } from './rich-text';
 export { default as MediaPlaceholder } from './media-placeholder';
 export { default as BlockFormatControls } from './block-format-controls';

packages/editor/src/components/rich-text/index.native.js

@@ -450,3 +450,4 @@ RichTextContainer.Content.defaultProps = {
 export default RichTextContainer;
 export { RichTextShortcut } from './shortcut';
 export { RichTextToolbarButton } from './toolbar-button';
+export { RichTextInputEvent } from './input-event';

packages/editor/src/components/rich-text/input-event.native.js

@@ -0,0 +1,10 @@
+/**
+ * WordPress dependencies
+ */
+import { Component } from '@wordpress/element';
+
+export class RichTextInputEvent extends Component {
+	render() {
+		return null;
+	}
+}