Issue launching Remmina Flatpak - libsoup2 symbols detected. Using libsoup2 and libsoup3 in the same process is not supported.

Problem Description

After updating to the latest version of Remmina from Flathub, it get an error:

~[09:18]> flatpak run org.remmina.Remmina
remmina-Message: 09:18:54.770: Remmina does not log all output statements. Turn on more verbose output by using "G_MESSAGES_DEBUG=all" as an environment variable.
More info available on the Remmina wiki at:
https://gitlab.com/Remmina/Remmina/-/wikis/Usage/Remmina-debugging
Load modules from /app/lib/remmina/plugins
Remmina plugin glibsecret (type=Secret) has been registered, but is not yet initialized/activated. The initialization order is 2000.

(process:2): libsoup-ERROR **: 09:18:54.962: libsoup2 symbols detected. Using libsoup2 and libsoup3 in the same process is not supported.
~[SIGTRAP][09:18]> 

Maybe related to #2754 (closed)

Local System Description

• Client (OS name and version): KDE Neon User Version

• Remmina version ( remmina --version ): can't launch because of the error

• Installation(s):

  • Distribution package.
  • PPA.
  • Snap.
  • Flatpak.
  • Compiled from sources.
  • Other - detail:

• Desktop environment (GNOME, Unity, KDE, ..): KDE

• Plugin(s):

  • RDP - freerdp version ( xfreerdp --version ):
  • VNC
  • SSH
  • SFTP
  • SPICE
  • WWW
  • EXEC
  • Other (please specify):

• GTK back-end (Wayland, Xorg): Xorg

  • sudo lshw -C video

~[SIGTRAP][09:20]> sudo lshw -C video
  *-display                 
       description: VGA compatible controller
       product: HD Graphics 530
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 06
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:132 memory:f6000000-f6ffffff memory:e0000000-efffffff ioport:f000(size=64) memory:c0000-dffff

• uname -a

~/d[13:12]> uname -a
Linux j-mini 5.18.0-11.1-liquorix-amd64 #1 ZEN SMP PREEMPT_DYNAMIC liquorix 5.18-11ubuntu1~focal (2022-0 x86_64 x86_64 x86_64 GNU/Linux

Contributions

In return, or to fix this issue, I'd be willing to:

• Fix this myself.
• Donate $5 and/or have donated ___ towards fixing it.
• Take a donation of ___ to fix it.
• Update the documentation.
• Update the wiki.
• Translate Remmina in my native language(s) (___) on Hosted Weblate.