Aleix Pol Gonzalez authored Apr 07, 2021 and Aleix Pol Gonzalez committed Apr 08, 2021

We'd always get "0x0: something" where the 0x0 is the xcb_window which
obviously doesn't translate.

Instead show the class name so we can easily track what kind of object
we are dealing with.
It's an easy way to show which shell it's using on Wayland, will be
useful in other cases as well.