[E2E] Unknown devices modal from calling page is different that room page one

[jeangb]

To reproduce:

1. Launch a voip call in a 1:1 room with encryption enabled and unknown devices on the caller side

An alert with only one button (OK) and a title and body message different than the one opened from the page view is displayed:

This modal should give the possibility to verify the devices, as the one from the room view.
On Android, this the same modal opened in the two cases.

For reminder the "normal one" is:

[jeangb]

Validated.