Fix fleeing speed to 66% run speed

Port From (https://github.com/TrinityCore/TrinityCore/commit/d095d4afe95125bba64312025528a2c4aab157e0)

Source/Game/Movement/Generators/HomeMovement.cs

@@ -36,6 +36,8 @@ namespace Game.AI
             RemoveFlag(MovementGeneratorFlags.InitializationPending | MovementGeneratorFlags.Deactivated);
             AddFlag(MovementGeneratorFlags.Initialized);
 
+            owner.SetNoSearchAssistance(false);
+
             SetTargetLocation(owner);
         }
 

Source/Game/Movement/Generators/PointMovement.cs

@@ -185,7 +185,7 @@ namespace Game.Movement
 
     public class AssistanceMovementGenerator : PointMovementGenerator<Creature>
     {
-        public AssistanceMovementGenerator(uint id, float x, float y, float z, float speed = 0.0f) : base(id, x, y, z, true, speed) { }
+        public AssistanceMovementGenerator(uint id, float x, float y, float z) : base(id, x, y, z, true) { }
 
         public override void Finalize(Unit owner, bool active, bool movementInform)
         {