Sune Vuorela authored Jul 03, 2023 and Albert Astals Cid committed Jul 18, 2023

In certain usecases, especially for non-linux desktop builds, the
advantage of of dbus is often limited. Provide a way to disable
building with dbus.

Note that this also disables the related functionalities of having a
second okular launch open the document in the first okular.

This also disables the unit tests that tests those features.