Do not attempt to sync gameplay with audio on game over

Author: Rian8337

src/ru/nsu/ccfit/zuev/osu/game/GameScene.java

@@ -3194,7 +3194,7 @@ protected void onManagedUpdate(float secElapsed) {
                     if (timeDifference <= 0.1f * speedMultiplier) {
                         float minimumSynchronizationTime = Config.getMinimumGameplaySynchronizationTime() * speedMultiplier / 1000;
                         // Sync gameplay with audio if the difference is too large.
-                        if (timeDifference >= minimumSynchronizationTime) {
+                        if (!isGameOver && timeDifference >= minimumSynchronizationTime) {
                             if (minimumSynchronizationTime > 0) {
                                 Log.i("GameScene",
                                         "Synchronizing gameplay time with audio time at " +