Unable to override idle timeout for a particular user

[sleshchenko]

Description

Unable to override idle timeout for a particular user.

It happens because of lack special implementation of WorspaceActivityManager in multiuser Che, like Codenvy has HostedWorkspaceActivityManager.

Also there are two properties for configuring the ilde timeout:

• CHE_WORKSPACE_AGENT_DEV_INACTIVE__STOP__TIMEOUT__MS;
• CHE_LIMITS_WORKSPACE_IDLE_TIMEOUT

It is confused which one should be configured. Actually, CHE_WORKSPACE_AGENT_DEV_INACTIVE__STOP__TIMEOUT__MS is deprecated and should be removed at all. Maybe we should add the corresponding alias. Then CHE_LIMITS_WORKSPACE_IDLE_TIMEOUT will be used as the only one property for configuration idle timeout:

• for all workspaces in case of single user Che;
• default the idle timeout per user which can be overridden with Resources API.

Reproduction Steps

1. Login as admin.
2. Set the idle timeout to 24h for User A.
3. Login as User A.
4. Start workspace and close browser tab.
5. Reopen workspace after 2h.
   Expected: Workspace is active because the idle timeout is overridden for the particular user.
   Actual: Workspace is stopped after 1h because it is default timeout that is configured with che.workspace.agent.dev.inactive_stop_timeout_ms.