[Codespace] Display a warning "/workspacename· Unable resolve workspace folder" in File Explorer when opening a blob container in current window

[v-xinda]

OS: Win10 Build Version: Latest Release

Repro Steps:

1. Create a new Storage Account -> Create a blob container -> Upload a folder to it.
2. Right click the blob container --> Click "Open in File Explorer..." -> Select "Open in current window".
3. Check the result.

Expect: The blob container should be opened in file Explorer without any error.

Actual: It displays a warning "/workspacename· Unable resolve workspace folder" in File Explorer.

More info:

1. This issue also reproduces when opening in a new window and an error pops up as the below when opening it at the first time.
2. This issue doesn't reproduce when adding to workspace.
3. This issue also reproduces for the file share.

[wwlorey]

Related: https://github.com/microsoft/vscode/issues/110352