[gnome-shell] extensions-app: Add permission to talk to gnome-session

[Florian Müllner <fmuellner src gnome org>]

commit 94dca1606f5dd67508c6d88583082266cb10485c
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat May 2 23:38:57 2020 +0200

    extensions-app: Add permission to talk to gnome-session
    
    This is required for offering a "Logout" option when handling extension
    updates.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2735

 subprojects/extensions-app/build-aux/flatpak/org.gnome.Extensions.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/subprojects/extensions-app/build-aux/flatpak/org.gnome.Extensions.json 
b/subprojects/extensions-app/build-aux/flatpak/org.gnome.Extensions.json
index 4542732ac3..8dee6e9bae 100644
--- a/subprojects/extensions-app/build-aux/flatpak/org.gnome.Extensions.json
+++ b/subprojects/extensions-app/build-aux/flatpak/org.gnome.Extensions.json
@@ -9,6 +9,7 @@
   "finish-args": [
     "--share=ipc", "--socket=fallback-x11",
     "--socket=wayland",
+    "--talk-name=org.gnome.SessionManager",
     "--talk-name=org.gnome.Shell.Extensions"
   ],
   "build-options": {