Get rid of SystemMediaControls::setServiceName usage

Telegram/SourceFiles/media/system_media_controls_manager.cpp

@@ -21,8 +21,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "media/streaming/media_streaming_player.h"
 #include "ui/text/format_song_document_name.h"
 
-#include <ksandbox.h>
-
 namespace Media {
 namespace {
 
@@ -50,10 +48,6 @@ SystemMediaControlsManager::SystemMediaControlsManager()
 		base::Platform::SystemMediaControls::PlaybackStatus;
 	using Command = base::Platform::SystemMediaControls::Command;
 
-	// Flatpak provides default permission to MPRIS, but not snap
-	if (!KSandbox::isFlatpak()) {
-		_controls->setServiceName(u"tdesktop"_q);
-	}
 	_controls->setApplicationName(AppName.utf16());
 	const auto inited = _controls->init();
 	if (!inited) {

snap/snapcraft.yaml

@@ -38,7 +38,7 @@ apps:
       - wayland
       - x11
     slots:
-      - tdesktop-mpris
+      - mpris
 
 hooks:
   configure:
@@ -66,11 +66,6 @@ plugs:
     target: $SNAP/data-dir/sounds
     default-provider: gtk-common-themes
 
-slots:
-  tdesktop-mpris:
-    interface: mpris
-    name: tdesktop
-
 layout:
   /usr/share/alsa:
     bind: $SNAP/usr/share/alsa