Switch from mallocng to jemalloc

Now it's known how to make it free the memory in an expected manner and it's better maintained

.gitmodules

@@ -88,9 +88,6 @@
 [submodule "Telegram/lib_webview"]
 	path = Telegram/lib_webview
 	url = https://github.com/desktop-app/lib_webview.git
-[submodule "Telegram/ThirdParty/mallocng"]
-	path = Telegram/ThirdParty/mallocng
-	url = https://github.com/desktop-app/mallocng.git
 [submodule "Telegram/lib_waylandshells"]
 	path = Telegram/lib_waylandshells
 	url = https://github.com/desktop-app/lib_waylandshells.git

Telegram/CMakeLists.txt

@@ -87,7 +87,6 @@ if (LINUX)
     PRIVATE
         desktop-app::external_glibmm
         desktop-app::external_glib
-        desktop-app::external_mallocng
     )
 
     if (NOT DESKTOP_APP_DISABLE_DBUS_INTEGRATION)

Telegram/SourceFiles/platform/linux/specific_linux.cpp

@@ -48,6 +48,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <gio/gio.h>
 #include <glibmm.h>
 #include <giomm.h>
+#include <jemalloc/jemalloc.h>
 
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -740,6 +741,9 @@ int psFixPrevious() {
 namespace Platform {
 
 void start() {
+	auto backgroundThread = true;
+	mallctl("background_thread", nullptr, nullptr, &backgroundThread, sizeof(bool));
+
 	LOG(("Launcher filename: %1").arg(QGuiApplication::desktopFileName()));
 
 #ifndef DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION

Telegram/ThirdParty/mallocng

@@ -1 +0,0 @@
-Subproject commit 5413b277e2add1a2e5086ad75071277390770a3a