Fix #1371 : Chain Query too many values

[Josh-XT]

This pull request includes changes to the agixt/endpoints/GQL.py file to modify the get_user_from_context function calls. The changes ensure that additional variables auth and magical are retrieved along with the user.

Key changes include:

• Updated providers method to retrieve auth and magical from get_user_from_context function.
• Updated extension_settings method to retrieve auth and magical from get_user_from_context function.
• Updated chains method to retrieve auth and magical from get_user_from_context function.
• Updated chain_args method to retrieve auth and magical from get_user_from_context function.