[gnome-screenshot/flatpak-interactive] Flatpak: run the flatpak in interactive mode by default.

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 9ec1cb7d3280b3bcfa49e89e07e3e6e7cf2a9691
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Thu Jan 31 20:39:54 2019 +0000

    Flatpak: run the flatpak in interactive mode by default.
    
    This will allow design team & testers to clone & test the app on Builder easily.

 org.gnome.Screenshot.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/org.gnome.Screenshot.json b/org.gnome.Screenshot.json
index 173c18a..412ddcc 100644
--- a/org.gnome.Screenshot.json
+++ b/org.gnome.Screenshot.json
@@ -4,6 +4,7 @@
     "runtime-version": "master",
     "sdk": "org.gnome.Sdk",
     "command": "gnome-screenshot",
+    "x-run-args": ["--interactive"],
     "finish-args": [
        "--share=ipc",
        "--socket=x11",