[18.0][FIX] base_user_role_profile: use self.env in session_info to support nodb authenticate

[RicardCForgeFlow]

odoo-1                                         |   File "/opt/odoo/auto/addons/base_user_role_profile/models/ir_http.py", line 11, in session_info
odoo-1                                         |     user = request.env.user
odoo-1                                         |            ^^^^^^^^^^^^^^^^
odoo-1                                         | AttributeError: 'NoneType' object has no attribute 'user'

occurs during stateless JSON-RPC authentication calls (e.g., from external automated scripts or API clients hitting /web/session/authenticate).