[ADD][12.0] base_user_role_profile: Add to 12.0

fixup! Logic and permissions fixes, new demo module, changes JS-side that reloads in a cleaner way on profile change

fixup! removed unused imports, beautified JS

fixup! Test coverage increase

[FIX] Use write instead of assignment operator on create function: assignment on multiple records raises error

fixup! Removed leftover copyright

Apply suggestions from code review

Co-Authored-By: David Beal <david.beal@akretion.com>

base_user_role_profile/models/role.py

@@ -0,0 +1,14 @@
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from odoo import fields, models
+
+
+class ResUsersRole(models.Model):
+    _inherit = "res.users.role"
+
+    profile_id = fields.Many2one("res.users.profile", "Profile",)
+
+
+class ResUsersRoleLine(models.Model):
+    _inherit = "res.users.role.line"
+
+    profile_id = fields.Many2one(related="role_id.profile_id")