Element Call broken on Nightly -> connects to call.element.dev

[YourSandwich]

Steps to reproduce

Use the latest element-nightly client 2025020401
open an element call session

observe that element tries to connect to call.element.dev instead of call.element.io which does not work:
sudo tcpdump -i any port 53

xx:xx:xx.334962 eno1  Out IP xxxx.53858 > xxxx.53: 41187+ A? call.element.dev. (34)
xx:xx:xx.334968 eno1  Out IP xxxx.53858 > xxxx.53: 10208+ AAAA? call.element.dev. (34)
xx:xx:xx.336494 eno1  In  IP xxxx.53 > xxxx.53858: 41187 3/0/0 CNAME call-element-dev-eii.pages.dev., A 172.66.44.76, A 172.66.47.180 (107)
xx:xx:xx.336967 eno1  In  IP xxxx.53 > xxxx.53858: 10208 3/0/0 CNAME call-element-dev-eii.pages.dev., AAAA 2606:4700:310c::ac42:2fb4, AAAA 2606:4700:310c::ac42:2c4c (131)

Outcome

Element Call loads indefinitely

Operating system

No response

Browser information

No response

URL for webapp

No response

Will you send logs?

No

[hughns]

n.b. call.element.dev is a preview build of Element Call. call.element.io is the stable release version.