Phosh crashing Gnome3 desktop when running - allow to skip `G_BUS_NAME_OWNER_FLAGS_REPLACE`

What problem did you encounter

Launching Phosh with ../wlroots/_build/rootston/rootston -E '_build/run -U' -C ./data/rootston.ini crashes Gnome3 desktop (Gnome will force a logout) on both Wayland and X11.

What is the current behaviour?

Phosh crashes Gnome whenever phosh is launched. Even when Phosh is running in a different VT than Gnome is. For example, Running Gnome at VT1 and Phosh under Weston in VT2. Gnome still crashes.

What is the expected behaviour?

Phosh should not crash Gnome.

How to reproduce

Launch Gnome3 as desktop
Build Phosh.
Run Phosh with the command ../wlroots/_build/rootston/rootston -E '_build/run -U' -C ./data/rootston.ini
Gnome crash.

Which version did you encounter the bug in?

I Compiled it myself. If you compiled phosh from source please provide the git revision via e.g. by running git log -1 --pretty=oneline and pasting the output below.
I used the precompiled Debian package (e.g. by running a prebuilt image). Please paste the output oof dpkg -s phosh below.

  Phosh Version: caa2536a3730855f0f7d15020d4d1407914bd86c (HEAD -> master, origin/master, origin/HEAD)

What hardware are you running phosh on?

amd64 qemu image
Librem5 devkit
nested compositor. If so please give the full command you start phosh with.
other (please elaborte)

Running on a fresh Arch Linux installation on an Acer Spin5 51GN (I5 8250U, HD 520 (GTX 1050, not enabled)) with touch screen. Running Gnome 3.30.2

Command: ../wlroots/_build/rootston/rootston -E '_build/run -U' -C ./data/rootston.ini

Releveant logfiles

Compositor log: log.txt

Edited Jan 15, 2019 by Guido Gunther

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