[gnome-music/wip/christopherdavis/fix-nightly-mpris-launch] gstplayer: correctly report desktop id

[Christopher Davis <christopherdavis src gnome org>]

commit a845bf18ba1e721c8cbe8880f94cd2113e2c4377
Author: Christopher Davis <brainblasted disroot org>
Date:   Thu Apr 11 13:15:07 2019 -0400

    gstplayer: correctly report desktop id
    
    Previously we incorrectly told gstreamer that Music
    was always using the stable ID. Now we correctly
    report our desktop ID based on the profile.

 gnomemusic/gstplayer.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnomemusic/gstplayer.py b/gnomemusic/gstplayer.py
index 7faacff0..62b5338c 100644
--- a/gnomemusic/gstplayer.py
+++ b/gnomemusic/gstplayer.py
@@ -325,8 +325,8 @@ class GstPlayer(GObject.GObject):
     def _start_plugin_installation(
             self, missing_plugin_messages, confirm_search):
         install_ctx = GstPbutils.InstallPluginsContext.new()
-
-        install_ctx.set_desktop_id('org.gnome.Music.desktop')
+        application_id = self._application.props.application_id
+        install_ctx.set_desktop_id(application_id + '.desktop')
         install_ctx.set_confirm_search(confirm_search)
 
         startup_id = "_TIME{}".format(Gtk.get_current_event_time())