[Roles] New users do not see their Workspaces in Desktop because of default permissions

[maieutiquer]

Q	A
Bug report?	yes
Version?	13.0.21

This issue has already been discussed before and a workaround exists (fixing the permissions from the Administration section), but it's broken by default for new installations of Claroline

Steps:

1. Install Claroline from scratch
2. Log in with an admin user
3. Create a new user
4. Log in with that new user

Expected: the new user should see their workspaces in the Desktop tool (they should have access permissions to it by default on new Claroline installations, unless there's a reason not to do it)

Actual: the new user does not see their workspaces, but sees the following message:
"Access to the tool not possible - You do not have access to this tool. Please contact an administrator to give you the necessary rights."

Currently, the known workaround is to go to Administration -> Community -> Roles, select the User role, expand the "Desktop tools" panel and check the Workspaces' Open checkbox

The user needs to log out and log in again in order to use their new rights (F5 is not enough), which is reported in #1740