Fail to debug Express app with an error "Configured debug type 'node2' is not supported" in VS Code Insider

[v-ruizh]

OS: Win 10
Build Version: 20210828.1
VS Code Insider: 1.60.0-insider

Repro Steps:

1. Open an Express app in VS Code Insiders.
2. Add Docker related files to it.
3. Debug this project.
4. Check whether succeed to debug this Express app or not.

Expect:
Succeed to debug this Express app without any error.

Actual:
Fail to debug this Express app with an error "Configured debug type 'node2' is not supported".

Click "Install node2 Extension" button, no extensions found.

More Info:
This issue does not reproduce in the latest VS Code 1.59.1.

[bwateratmsft]

Looks like the old Node debug launch is gone; we'll need to fix this.

[bwateratmsft]

Since VSCode 1.60.0 is releasing soon we may also need to backport a fix to Docker extension 1.16.0.