Getting Started Part 2 Example - run time error

[doc-E-brown]

Describe the bug Extension Sample Part 2 produces a runtime exception error.

Unchecked runtime.lastError: Could not establish connection. Receiving end does not exist.

To Reproduce Steps to reproduce the behavior:

1. Clone this repo
2. Open edge and install the extension in the directory MicrosoftEdge-Extensions\Extension samples\extension-getting-started-part2\extension-getting-started-part2
3. Open the extension and click on the display button
4. Nothing will happen.
5. Go to the installed extensions list in edge and click on the errors button.

Expected behavior The result documented here

Desktop (please complete the following information):

• Windows 10
• Microsoft Edge for Business
• Version 121.0.2277.83 (Official build) (64-bit)