fix: Add createXComponent stub for support in Grizzly (#2319)

- Just stub it out so deephaven.ui v0.22 works in Grizzly
- Prerequisite for DH-18058

packages/components/src/XComponent.tsx

@@ -0,0 +1,15 @@
+import React from 'react';
+
+/**
+ * Stub of a helper function to wrap a component with a replacement component. In this case though, it will just return the original component.
+ *
+ * @param Component The component to wrap
+ * @returns The wrapped component
+ */
+export function createXComponent<P extends Record<string, unknown>>(
+  Component: React.ComponentType<P>
+): React.ComponentType<P> {
+  return Component;
+}
+
+export default createXComponent;

packages/components/src/index.ts

@@ -56,3 +56,4 @@ export { default as TimeSlider } from './TimeSlider';
 export { default as ToastNotification } from './ToastNotification';
 export * from './UIConstants';
 export { default as UISwitch } from './UISwitch';
+export * from './XComponent';