Core/Maps: Properly set initial spawn group state for groups that have conditions

Port From (https://github.com/TrinityCore/TrinityCore/commit/fb64d7fe8efe5ecba40123cdc96195d3ca52d7c0)

Source/Game/Maps/Map.cs

@@ -2374,6 +2374,13 @@ namespace Game.Maps
             return _toggledSpawnGroupIds.Contains(groupId) != !data.flags.HasAnyFlag(SpawnGroupFlags.ManualSpawn);
         }
 
+        public void InitSpawnGroupState()
+        {
+            var spawnGroups = Global.ObjectMgr.GetSpawnGroupsForMap(GetId());
+            foreach (uint spawnGroupId in spawnGroups)
+                SetSpawnGroupActive(spawnGroupId, Global.ConditionMgr.IsMapMeetingNotGroupedConditions(ConditionSourceType.SpawnGroup, spawnGroupId, this));
+        }
+
         public void UpdateSpawnGroupConditions()
         {
             var spawnGroups = Global.ObjectMgr.GetSpawnGroupsForMap(GetId());

Source/Game/Maps/MapManager.cs

@@ -49,6 +49,7 @@ namespace Game.Entities
             Map map = new Map(mapId, i_gridCleanUpDelay, instanceId, Difficulty.None);
             map.LoadRespawnTimes();
             map.LoadCorpseData();
+            map.InitSpawnGroupState();
 
             if (WorldConfig.GetBoolValue(WorldCfg.BasemapLoadGrids))
                 map.LoadAllCells();
@@ -82,6 +83,7 @@ namespace Game.Entities
 
             map.CreateInstanceData();
             map.SetInstanceScenario(Global.ScenarioMgr.CreateInstanceScenario(map, team));
+            map.InitSpawnGroupState();
 
             if (WorldConfig.GetBoolValue(WorldCfg.InstancemapLoadGrids))
                 map.LoadAllCells();
@@ -97,6 +99,7 @@ namespace Game.Entities
             Cypher.Assert(map.IsBattlegroundOrArena());
             map.SetBG(bg);
             bg.SetBgMap(map);
+            map.InitSpawnGroupState();
 
             if (WorldConfig.GetBoolValue(WorldCfg.BattlegroundMapLoadGrids))
                 map.LoadAllCells();
@@ -108,6 +111,7 @@ namespace Game.Entities
         {
             GarrisonMap map = new GarrisonMap(mapId, i_gridCleanUpDelay, instanceId, owner.GetGUID());
             Cypher.Assert(map.IsGarrison());
+            map.InitSpawnGroupState();
             return map;
         }