Fixes some phasing issuses.

Source/Game/Chat/Commands/GameObjectCommands.cs

@@ -85,7 +85,7 @@ namespace Game.Chat
         [Command("despawngroup", RBACPermissions.CommandGobjectDespawngroup)]
         static bool HandleGameObjectDespawnGroup(CommandHandler handler, string[] opts)
         {
-            if (opts.Empty())
+            if (opts == null || opts.Empty())
                 return false;
 
             bool deleteRespawnTimes = false;

Source/Game/Phasing/PhaseShift.cs

@@ -161,7 +161,13 @@ namespace Game
             {
                 ObjectGuid ownerGuid = PersonalGuid;
                 ObjectGuid otherPersonalGuid = other.PersonalGuid;
-                return Phases.Intersect(other.Phases, (myPhase, otherPhase) => !myPhase.Value.Flags.HasAnyFlag(excludePhasesWithFlag) && (!myPhase.Value.Flags.HasFlag(PhaseFlags.Personal) || ownerGuid == otherPersonalGuid)).Any();
+                return Phases.Intersect(other.Phases, (myPhase, otherPhase) =>
+                {
+                    if (myPhase.Key != otherPhase.Key)
+                        return false;
+
+                    return !myPhase.Value.Flags.HasAnyFlag(excludePhasesWithFlag) && (!myPhase.Value.Flags.HasFlag(PhaseFlags.Personal) || ownerGuid == otherPersonalGuid);
+                }).Any();
             }
 
             var checkInversePhaseShift = new Func<PhaseShift, PhaseShift, bool>((phaseShift, excludedPhaseShift) =>

Source/Game/Phasing/PhasingHandler.cs

@@ -618,9 +618,9 @@ namespace Game
                     phases.Append("   ");
                     phases.Append($"{pair.Key} ({Global.ObjectMgr.GetPhaseName(pair.Key)})'");
                     if (pair.Value.Flags.HasFlag(PhaseFlags.Cosmetic))
-                        phases.Append(' ' + '(' + cosmetic + ')');
+                        phases.Append($" ({cosmetic})");
                     if (pair.Value.Flags.HasFlag(PhaseFlags.Personal))
-                        phases.Append(' ' + '(' + personal + ')');
+                        phases.Append($" ({personal})");
                 }
 
                 chat.SendSysMessage(CypherStrings.PhaseshiftPhases, phases.ToString());

Source/Game/World/WorldStateManager.cs

@@ -74,7 +74,7 @@ namespace Game
 
                 if (!mapIds.IsEmpty() && worldState.MapIds.Empty())
                 {
-                    Log.outError(LogFilter.Sql, "Table `world_state` contains a world state {id} with nonempty MapIDs ({mapIds}) but no valid map id was found, ignored");
+                    Log.outError(LogFilter.Sql, $"Table `world_state` contains a world state {id} with nonempty MapIDs ({mapIds}) but no valid map id was found, ignored");
                     continue;
                 }