Config: renaming & add change subscriptions

src/dusk/settings.cpp

@@ -1,5 +1,6 @@
 #include "dusk/settings.h"
 #include "dusk/config.hpp"
+#include <aurora/aurora.h>
 
 namespace dusk {
 
@@ -267,7 +268,8 @@ void registerSettings() {
     Register(g_userSettings.game.touchCameraYSensitivity);
     Register(g_userSettings.game.minimalHUD);
     Register(g_userSettings.game.hudScale);
-    Register(g_userSettings.game.pauseOnFocusLost);
+    Register(g_userSettings.game.pauseOnFocusLost,
+        [](const bool& value, const bool&) { aurora_set_pause_on_focus_lost(value); });
     Register(g_userSettings.game.enableDiscordPresence);
     Register(g_userSettings.game.bloomMode);
     Register(g_userSettings.game.bloomMultiplier);