[BUG] rg.init with argilla user using quickstart images raise an unexpected error

[frascuchon]

Describe the bug
Using the default argilla API key to init the Python client raises a ValueError: Wrong provided workspace 'argilla' error.

Stacktrace and Code to create the bug

import argilla as rg

rg.init(api_key=<generated_argilla_user_api_key>) # This command raises an error

docker run -d --name quickstart -p 6900:6900 argilla/argilla-quickstart:latest

Expected behavior
The rg.init should work as expected, and available operations for this user should be allowed.

Environment:

• Argilla Version [e.g. 1.0.0]: v1.12.0
• ElasticSearch Version [e.g. 7.10.2]:
• Docker Image (optional) [e.g. argilla:v1.0.0]: quickstart 1.12.0

Additional context
Add any other context about the problem here.