Core/Player: Log more information when Player::StopCastingCharm() fails

Port From (https://github.com/TrinityCore/TrinityCore/commit/89ea13ed46744414f74686cf2126dc637188180d)

Source/Game/Entities/Player/Player.cs

@@ -990,7 +990,7 @@ namespace Game.Entities
                 Log.outFatal(LogFilter.Player, "Player {0} (GUID: {1} is not able to uncharm unit (GUID: {2} Entry: {3}, Type: {4})", GetName(), GetGUID(), GetCharmedGUID(), charm.GetEntry(), charm.GetTypeId());
                 if (!charm.GetCharmerGUID().IsEmpty())
                 {
-                    Log.outFatal(LogFilter.Player, "Charmed unit has charmer guid {0}", charm.GetCharmerGUID());
+                    Log.outFatal(LogFilter.Player, $"Player::StopCastingCharm: Charmed unit has charmer {charm.GetCharmerGUID()}\nPlayer debug info: {GetDebugInfo()}\nCharm debug info: {charm.GetDebugInfo()}");
                     Cypher.Assert(false);
                 }
 

Source/Game/Entities/Unit/Unit.cs

@@ -862,7 +862,7 @@ namespace Game.Entities
         public override string GetDebugInfo()
         {
             return $"{base.GetDebugInfo()}\nIsAIEnabled: {IsAIEnabled()} DeathState: {GetDeathState()} UnitMovementFlags: {GetUnitMovementFlags()} UnitMovementFlags2: {GetUnitMovementFlags2()} Class: {GetClass()}\n" +
-                    $" {(MoveSpline != null ? MoveSpline.ToString() : "Movespline: <none>")}";
+                    $" {(MoveSpline != null ? MoveSpline.ToString() : "Movespline: <none>\n")} GetCharmedGUID(): {GetCharmedGUID()}\nGetCharmerGUID(): {GetCharmerGUID()}\n{(GetVehicleKit() != null ? GetVehicleKit().GetDebugInfo() : "No vehicle kit")}";
         }
         
         public Guardian GetGuardianPet()

Source/Game/Entities/Vehicle.cs

@@ -24,6 +24,7 @@ using Game.Movement;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text;
 
 namespace Game.Entities
 {
@@ -559,6 +560,26 @@ namespace Game.Entities
             return TimeSpan.FromMilliseconds(1);
         }
 
+        public string GetDebugInfo()
+        {
+            StringBuilder str = new StringBuilder("Vehicle seats:\n");
+            foreach (var (id, seat) in Seats)
+                str.Append($"seat {id}: {(seat.IsEmpty() ? "empty" : seat.Passenger.Guid)}\n");
+
+            str.Append("Vehicle pending events:");
+
+            if (_pendingJoinEvents.Empty())
+                str.Append(" none");
+            else
+            {
+                str.Append("\n");
+                foreach (var joinEvent in _pendingJoinEvents)
+                    str.Append($"seat {joinEvent.Seat.Key}: {joinEvent.Passenger.GetGUID()}\n");
+            }
+
+            return str.ToString();
+        }
+
         public Unit GetBase() { return _me; }
         public VehicleRecord GetVehicleInfo() { return _vehicleInfo; }
         public uint GetCreatureEntry() { return _creatureEntry; }