Unable to delete workspace when building image is stuck

[yyoncho]

Bug description

When debconf kicks in during apt-get when building an image - all is stuck and deleting that workspace is not possible.

Here it is the error from chrome console:

Uncaught (in promise) Error: Request deleteWorkspace failed with message: Unknown workspace manager ""
    at main.js:449
    at main.js:276
    at main.js:260
    at setImmediate.js:40
    at f (setImmediate.js:69)
    at n (setImmediate.js:109)

Steps to reproduce

use this repo https://github.com/yyoncho/lsp-gitpod3

Expected behavior

being able to delete the workspace

Example repository

https://github.com/yyoncho/lsp-gitpod3

Anything else?

No response

[AlexTugarev]

Might be related #4173

[yyoncho]

Yes, it is - closing as duplicate.