Core/WorldStates: Migrate battleground worldstates to new system

Port From (https://github.com/TrinityCore/TrinityCore/commit/5dbfaecd5c020fd4c3b3dfc235580849c39ce7db)

Source/Game/Arenas/Arena.cs

@@ -77,16 +77,10 @@ namespace Game.Arenas
             CheckWinConditions();
         }
 
-        public override void FillInitialWorldStates(InitWorldStates packet)
-        {
-            packet.AddState(ArenaWorldStates.AlivePlayersGreen, GetAlivePlayersCountByTeam(Team.Horde));
-            packet.AddState(ArenaWorldStates.AlivePlayersGold, GetAlivePlayersCountByTeam(Team.Alliance));
-        }
-
         void UpdateArenaWorldState()
         {
-            UpdateWorldState(ArenaWorldStates.AlivePlayersGreen, GetAlivePlayersCountByTeam(Team.Horde));
-            UpdateWorldState(ArenaWorldStates.AlivePlayersGold, GetAlivePlayersCountByTeam(Team.Alliance));
+            UpdateWorldState(ArenaWorldStates.AlivePlayersGreen, (int)GetAlivePlayersCountByTeam(Team.Horde));
+            UpdateWorldState(ArenaWorldStates.AlivePlayersGold, (int)GetAlivePlayersCountByTeam(Team.Alliance));
         }
 
         public override void HandleKillPlayer(Player victim, Player killer)
@@ -309,7 +303,15 @@ namespace Game.Arenas
 
     struct ArenaWorldStates
     {
-        public const uint AlivePlayersGreen = 3600;
-        public const uint AlivePlayersGold = 3601;
+        public const int AlivePlayersGreen = 3600;
+        public const int AlivePlayersGold = 3601;
+        public const int ShowAlivePlayers = 3610;
+        public const int TimeRemaining = 8529;
+        public const int ShowTimeRemaining = 8524;
+        public const int GreenTeamExtraLives = 15480;
+        public const int GoldTeamExtraLives = 15481;
+        public const int ShowExtraLives = 13401;
+        public const int SoloShuffleRound = 21427;
+        public const int ShowSoloShuffleRound = 21322;
     }
 }

Source/Game/Arenas/Zones/BladesEdgeArena.cs

@@ -75,12 +75,6 @@ namespace Game.Arenas
             }
         }
 
-        public override void FillInitialWorldStates(InitWorldStates packet)
-        {
-            packet.AddState(0x9f3, 1);
-            base.FillInitialWorldStates(packet);
-        }
-
         public override bool SetupBattleground()
         {
             bool result = true;

Source/Game/Arenas/Zones/DalaranSewers.cs

@@ -84,12 +84,6 @@ namespace Game.Arenas
             }
         }
 
-        public override void FillInitialWorldStates(InitWorldStates packet)
-        {
-            packet.AddState(3610, 1);
-            base.FillInitialWorldStates(packet);
-        }
-
         public override bool SetupBattleground()
         {
             bool result = true;

Source/Game/Arenas/Zones/NagrandArena.cs

@@ -72,12 +72,6 @@ namespace Game.Arenas
             }
         }
 
-        public override void FillInitialWorldStates(InitWorldStates packet)
-        {
-            packet.AddState(0xa11, 1);
-            base.FillInitialWorldStates(packet);
-        }
-
         public override bool SetupBattleground()
         {
             bool result = true;

Source/Game/Arenas/Zones/RingofValor.cs

@@ -121,12 +121,6 @@ namespace Game.Arenas
             }
         }
 
-        public override void FillInitialWorldStates(InitWorldStates packet)
-        {
-            packet.AddState(0xe1a, 1);
-            base.FillInitialWorldStates(packet);
-        }
-
         public override void PostUpdateImpl(uint diff)
         {
             if (GetStatus() != BattlegroundStatus.InProgress)

Source/Game/Arenas/Zones/RuinsofLordaeron.cs

@@ -93,12 +93,6 @@ namespace Game.Arenas
                     break;
             }
         }
-
-        public override void FillInitialWorldStates(InitWorldStates packet)
-        {
-            packet.AddState(0xbba, 1);
-            base.FillInitialWorldStates(packet);
-        }
     }
 
     struct RuinsofLordaeronObjectTypes