[gnome-characters] meson: Fix search provider for devel build

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 7da1ddefdcc58c1650e2eee67db8f38376db4271
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Sat Jan 1 18:21:47 2022 +0100

    meson: Fix search provider for devel build

 build-aux/flatpak/org.gnome.Characters.json   | 1 +
 data/org.gnome.Characters.search-provider.ini | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/build-aux/flatpak/org.gnome.Characters.json b/build-aux/flatpak/org.gnome.Characters.json
index 8c7d9d9..ee8054f 100644
--- a/build-aux/flatpak/org.gnome.Characters.json
+++ b/build-aux/flatpak/org.gnome.Characters.json
@@ -10,6 +10,7 @@
         "--socket=fallback-x11",
         "--socket=wayland",
         "--device=dri",
+        "--own-name=org.gnome.CharactersDevel.BackgroundService",
         "--metadata=X-DConf=migrate-path=/org/gnome/Characters/"
     ],
     "cleanup" : [
diff --git a/data/org.gnome.Characters.search-provider.ini b/data/org.gnome.Characters.search-provider.ini
index 034cf14..14a67a4 100644
--- a/data/org.gnome.Characters.search-provider.ini
+++ b/data/org.gnome.Characters.search-provider.ini
@@ -1,6 +1,6 @@
 [Shell Search Provider]
-DesktopId=org.gnome.Characters.desktop
-BusName=org.gnome.Characters.BackgroundService
+DesktopId=@appid@.desktop
+BusName=@appid@.BackgroundService
 ObjectPath=/org/gnome/Characters/BackgroundService
 Version=2
 DefaultDisabled=false