The camera list is empty (beta5)

[curtishall]

    The camera list is empty, unless I go to settings and back:

It is the same camera list used by the Events Playback

As soon as I go to settings it detects the cameras:

And then they appear everywhere:

Originally posted by @guillebot in #74 (comment)

[bdlukaa]

I am thinking on a unified way to declare the server devices. Currently, we try to fetch the devices when the screen is switched, which is not ideal. Also, refresh devices at app startup

Some other reports:

• Server being listed twice (New install freezes on opening #65 (comment))