DevWorkspace Factory flow is broken from github

[sleshchenko]

Describe the bug

DevWorkspace Factory flow is broken from github

Che version

next (development version)

Steps to reproduce

1. Deploy Che with DevWorkspace enabled (chectl server:deploy --installer=operator --platform=openshift --workspace-engine=dev-workspace)
2. Try to create a workspace from java spring sample, or accept factory: ${CHE_HOST}##https://github.com/che-samples/java-spring-petclinic/tree/devfilev2

Expected behavior

Workspace is created and started

Runtime

OpenShift

Screenshots

Installation method

chectl/next

Environment

Linux

Eclipse Che Logs

2021-09-20 11:45:56,420[nio-8080-exec-7]  [WARN ] [o.e.c.s.oauth.EmbeddedOAuthAPI 159]  - Unsupported OAuth provider github 
2021-09-20 11:45:56,424[nio-8080-exec-7]  [ERROR] [thubPersonalAccessTokenFetcher 187]  - Unsupported OAuth provider github
org.eclipse.che.api.core.NotFoundException: Unsupported OAuth provider github
	at org.eclipse.che.security.oauth.EmbeddedOAuthAPI.getAuthenticator(EmbeddedOAuthAPI.java:160)
	at org.eclipse.che.security.oauth.EmbeddedOAuthAPI.getToken(EmbeddedOAuthAPI.java:124)
	at org.eclipse.che.api.factory.server.github.GithubPersonalAccessTokenFetcher.fetchPersonalAccessToken(GithubPersonalAccessTokenFetcher.java:145)

Additional context

It breaks DevWorkspace Happy path tests on multiple repos, like Dashboard, Che Operator and DWO

[skabashnyuk]

Works for me on latest main of che-server