feat(devtools-test-app): Fix typo in the devtools test app (#23588)

#### Description

**Before**

This PR fixes a typo in the devtools test app and has more consistent
title of the app.
![Screenshot 2025-01-16 at 11 40
21](https://github.com/user-attachments/assets/0b0cd49c-bba6-44dc-af95-a82b577f88d6)

**After**

![Screenshot 2025-01-16 at 11 42
46](https://github.com/user-attachments/assets/6c674b2f-622d-4773-9763-da2a64c8486a)

packages/tools/devtools/devtools-test-app/src/App.tsx

@@ -88,7 +88,7 @@ function useContainerInfo(
 		getSharedFluidData().then((containerInfo) => {
 			if (getContainerIdFromLocation(window.location) !== containerInfo.containerId) {
 				window.location.hash = containerInfo.containerId;
-				document.title = `Devtoolsl Example test app - ${containerInfo.containerId}`;
+				document.title = `Devtools Example Test App - ${containerInfo.containerId}`;
 			}
 
 			setSharedContainerInfo(containerInfo);