An error occurs when executing Docker related actions

[v-ruizh]

OS: Windows
Build Version: 20200428.22

Simple Repro Steps:
From Docker images view, right click one image and execute "Run" action.

Repro Steps:

1. Create a folder.
2. Open this folder in VS Code Insiders.
3. F1->Docker: Add Docker Files to workspace...->Node.js->Yes to create compose files->Accept default port 3000.

Expect:
Add Docker files successfully without any error.

Actual:
Add Docker files with an error.

Error Text:
Command 'Docker: Add Docker Files to Workspace...' resulted in an error (Cannot read property 'length' of undefined)

[bwateratmsft]

I can reproduce but I can't get it to give me the error stack...

[bwateratmsft]

Got it. This is a regression from vscode-extension-telemetry: microsoft/vscode-extension-telemetry#44

[ravipal]

I will revert the telemetry change until vscode-extension-telemetry is fixed.

[bwateratmsft]

I'll mark this as fixed via #1930. In #1934 we will move back to a higher version.