Allow special aircraft horns on normal vehicles too as per request

Author: razzie

Client/Effect/HornEffect.cs

@@ -26,6 +26,7 @@ public bool Expired
         public Task Init()
         {
             _sound = API.GetSoundId();
+            API.SetHornEnabled(_vehicle, false);
             API.PlaySoundFromEntity(_sound, Vehicles.GetAircraftHorn(_vehicle), _vehicle, null, false, 0);
             return Task.FromResult(0);
         }
@@ -38,6 +39,7 @@ public void Clear()
         {
             API.StopSound(_sound);
             API.ReleaseSoundId(_sound);
+            API.SetHornEnabled(_vehicle, true);
         }
 
         public static string GetKeyFrom(int vehicle)

Client/Menus/AircraftHornMenu.cs

@@ -25,14 +25,7 @@ public AircraftHornMenu() : base("PocceMod", "select horn")
 
         public static void SetAircraftHorn(int horn)
         {
-            var player = API.GetPlayerPed(-1);
-            if (!API.IsPedInFlyingVehicle(player))
-            {
-                Common.Notification("Player is not in a flying vehicle");
-                return;
-            }
-
-            if (!Common.EnsurePlayerIsVehicleDriver(out player, out int vehicle))
+            if (!Common.EnsurePlayerIsVehicleDriver(out int player, out int vehicle))
                 return;
 
             Vehicles.SetAircraftHorn(vehicle, horn);

Client/Vehicles.cs

@@ -624,7 +624,7 @@ private static Task UpdateControls()
             if (hasOtherDriver || MainMenu.IsOpen || API.IsEntityDead(vehicle))
                 return Delay(100);
 
-            if (API.IsPedInFlyingVehicle(player) && API.DecorExistOn(vehicle, AircraftHornDecor))
+            if (API.DecorExistOn(vehicle, AircraftHornDecor))
             {
                 if (API.IsControlJustPressed(0, 86)) // INPUT_VEH_HORN
                 {