Fix screencast proxy bus name

Without this, the fix for CVE-2024-34397 would break the screen
recorder.

Related: RHEL-35775

gnome-shell.spec

@@ -2,7 +2,7 @@
 
 Name:           gnome-shell
 Version:        40.10
-Release:        18%{?dist}
+Release:        19%{?dist}
 Summary:        Window management and application launching for GNOME
 
 License:        GPLv2+
@@ -61,6 +61,7 @@ Patch57: 0001-windowMenu-Ignore-release.patch
 Patch58: optional-portal-helper.patch
 Patch59: 0001-extensionSystem-Support-locking-down-extension-insta.patch
 Patch60: 0001-windowPreview-Override-with-window-icon-if-available.patch
+Patch61: screencast-bus-name.patch
 
 %define eds_version 3.33.1
 %define gnome_desktop_version 3.35.91
@@ -280,6 +281,10 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/evolution-calendar.de
 %{_mandir}/man1/gnome-shell.1*
 
 %changelog
+* Wed May 15 2024 Michael Catanzaro <mcatanzaro@redhat.com> - 40.10-19
+- Use correct bus name for screencast service
+  Related: RHEL-35775
+
 * Tue Mar 19 2024 Florian Müllner <fmuellner@redhat.com> - 40.10-18
 - Use window icon in overview if available
   Resolves: RHEL-24713

screencast-bus-name.patch

@@ -0,0 +1,34 @@
+From b8ae8f713a15b00ec447a23294948fc463220130 Mon Sep 17 00:00:00 2001
+From: Simon McVittie <smcv@debian.org>
+Date: Mon, 6 May 2024 21:58:09 +0100
+Subject: [PATCH] screencast: Correct expected bus name for streams
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Previously, this only worked because GDBusConnection was not filtering
+signals by their sender correctly (GNOME/glib#3268).
+
+Thanks: Alicia Boya García
+Signed-off-by: Simon McVittie <smcv@debian.org>
+Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3303>
+---
+ js/dbusServices/screencast/screencastService.js | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/js/dbusServices/screencast/screencastService.js b/js/dbusServices/screencast/screencastService.js
+index 708a15c84..0321b4d69 100644
+--- a/js/dbusServices/screencast/screencastService.js
++++ b/js/dbusServices/screencast/screencastService.js
+@@ -161,7 +161,7 @@ var Recorder = class {
+             });
+ 
+         this._streamProxy = new ScreenCastStreamProxy(Gio.DBus.session,
+-            'org.gnome.ScreenCast.Stream',
++            'org.gnome.Mutter.ScreenCast',
+             streamPath);
+ 
+         this._streamProxy.connectSignal('PipeWireStreamAdded',
+-- 
+2.45.0
+