For Linux distros still living in the stone ages, use the old
randomization code. Fixes CI not building. We can change it later when
we finalize good random stuff.
mt19937 is a deterministic RNG and was not seeded, so the state
parameter was identical for all runs. Switch to using Qt's
QRandomGenerator::system() which is implemented as a CSPRNG on
all platforms we care about.
Very low risk of anything bad here since we use a random port and the
chance of a CSRF attack is tiny, but this is a best practie to do when
using OAuth.
Since embedded browsers are no longer allowed to log into Google from the chat
dock is effectively read-only.
To prevent users from even trying to log in the input field is hidden
via custom CSS.
