This fixes an issue in the website calendar flow that affected visitors who were not signed in. Public users can now access the relevant calendar controller behavior more reliably, reducing friction for bookings or event scheduling.

TaskID: 2241501
Closes #49750

closes odoo/enterprise#10050

X-original-commit: 85b3f059fb23c2fb0e4c1459f454b64092496cb2
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>