Fix some bug.

1. Fixed the issue where helicopters would occasionally lose their pilots. 2. Now, if a helicopter gets stuck without landing, the Mutator will attempt to correct the helicopter's position.

Now you can set where the helicopter should prioritize landing, at the front lines or randomly

Fix bug

Teams without helicopter support will now use the default respawn method.

Fix some bug.

Now, if the helicopter rolls for some reason, the Mutator will attempt to correct the helicopter's position. and If a team loses all its flags, the helicopter will take a risky attempt to land above any enemy flag

1. Corpses now stay for a second before disappearing, instead of instantly vanishing. 2. Members transported by helicopters are now divided into multiple squads, helping to avoid the issue of all members doing the same thing.