Misc fixes

Source/Game/Entities/Object/ObjectGuid.cs

@@ -552,7 +552,7 @@ namespace Game.Entities
 
         public static ObjectGuid CreateWorldLayer(uint arg1, ushort arg2, byte arg3, uint arg4)
         {
-            return new ObjectGuid((ulong)(((ulong)HighGuid.WorldLayer << 58) | ((ulong)(arg1 & 0xFFFFFFFF) << 10) | (ulong)(arg2 & 0x1FF)), (ulong)(((ulong)(arg3 & 0xFF) << 24) | (ulong)(arg4 & 0x7FFFFF)));
+            return new ObjectGuid((ulong)(((ulong)HighGuid.WorldLayer << 58) | ((ulong)(arg1 & 0xFFFFFFFF) << 10) | (ulong)(arg2 & 0x1FFu)), (ulong)(((ulong)(arg3 & 0xFF) << 24) | (ulong)(arg4 & 0x7FFFFF)));
         }
 
         static uint GetRealmIdForObjectGuid(uint realmId)

Source/Game/Guilds/GuildManager.cs

@@ -502,7 +502,6 @@ namespace Game
 
         public List<GuildReward> GetGuildRewards() { return guildRewards; }
 
-
         uint NextGuildId;
         Dictionary<ulong, Guild> GuildStore = new();
         List<GuildReward> guildRewards = new();

Source/Game/Phasing/PhasingHandler.cs

@@ -639,7 +639,7 @@ namespace Game
             {
                 StringBuilder uiWorldMapAreaIdSwaps = new();
                 foreach (var uiWorldMapAreaIdSwap in phaseShift.UiMapPhaseIds)
-                    uiWorldMapAreaIdSwaps.Append(uiWorldMapAreaIdSwap.Key + ',' + ' ');
+                    uiWorldMapAreaIdSwaps.AppendFormat($"{uiWorldMapAreaIdSwap.Key}, ");
 
                 chat.SendSysMessage(CypherStrings.PhaseshiftUiWorldMapAreaSwaps, uiWorldMapAreaIdSwaps.ToString());
             }