Now that libdazzle can compile on gtk+-3 3.22 again, we can use it and still keep things working on Debian stable, RHEL, etc.
THis allows us to get access to the hosts symbol directories, which is necessary for resolving symbols there.
This isn't really meant to be distributed as a flatpak, being that we would want to have a daemon available to get anything done. But it does make it easier for people to open Sysprof in Builder and hack on things.
