How to grant a program permission to access /run/dbus/system_bus_socket

[Nathan Dehnel]

nathan@guixlaptop ~/guix-configs $ nixGLIntel bitwarden
Fontconfig error: Cannot load default config file: No such file: (null)
(node:27126) DeprecationWarning: file property is deprecated and will
be removed in v5.
(Use `bitwarden --trace-deprecation ...` to show where the warning was created)
Fontconfig error: Cannot load default config file: No such file: (null)
[27126:0908/182240.112106:ERROR:bus.cc(398)] Failed to connect to the
bus: Failed to connect to socket /run/dbus/system_bus_socket:
Permission denied
[27126:0908/182240.112150:ERROR:bus.cc(398)] Failed to connect to the
bus: Failed to connect to socket /run/dbus/system_bus_socket:
Permission denied
[27126:0908/182240.147940:ERROR:platform_font_skia.cc(246)] Could not
find any font: Sans, sans. Falling back to the default
[27126:0908/182240.194552:ERROR:bus.cc(398)] Failed to connect to the
bus: Failed to connect to socket /run/dbus/system_bus_socket:
Permission denied
[27126:0908/182240.194584:ERROR:bus.cc(398)] Failed to connect to the
bus: Failed to connect to socket /run/dbus/system_bus_socket:
Permission denied
[27126:0908/182240.194599:ERROR:bus.cc(398)] Failed to connect to the
bus: Failed to connect to socket /run/dbus/system_bus_socket:
Permission denied
18:23:06.071 › TypeError: Object has been destroyed
    at WindowMain.<anonymous>
(/nix/store/sfi1jv9vxlhh6rpxs6dnf6rc5i0ixg2v-bitwarden-2022.8.1/opt/Bitwarden/resources/app.asar/main.js:49732:36)
    at Generator.next (<anonymous>)
    at 
/nix/store/sfi1jv9vxlhh6rpxs6dnf6rc5i0ixg2v-bitwarden-2022.8.1/opt/Bitwarden/resources/app.asar/main.js:49546:71
    at new Promise (<anonymous>)
    at window_main_awaiter
(/nix/store/sfi1jv9vxlhh6rpxs6dnf6rc5i0ixg2v-bitwarden-2022.8.1/opt/Bitwarden/resources/app.asar/main.js:49542:12)
    at WindowMain.updateWindowState
(/nix/store/sfi1jv9vxlhh6rpxs6dnf6rc5i0ixg2v-bitwarden-2022.8.1/opt/Bitwarden/resources/app.asar/main.js:49727:16)
    at WindowMain.<anonymous>
(/nix/store/sfi1jv9vxlhh6rpxs6dnf6rc5i0ixg2v-bitwarden-2022.8.1/opt/Bitwarden/resources/app.asar/main.js:49681:28)
    at Generator.next (<anonymous>)
    at 
/nix/store/sfi1jv9vxlhh6rpxs6dnf6rc5i0ixg2v-bitwarden-2022.8.1/opt/Bitwarden/resources/app.asar/main.js:49546:71
    at new Promise (<anonymous>)

Chowning the /run/dbus/system_bus_socket might break something and
would be overwritten anyways. What's the Best Practices™ way to fix
this?