Scripts/TotT: consider Neptulon's gate as passage so it gets opened after Commander Ulthok's defeat

src/server/scripts/EasternKingdoms/ThroneOfTheTides/instance_throne_of_the_todes.cpp

@@ -50,6 +50,7 @@ DoorData const doorData[] =
 {
     { GO_DOODAD_ABYSSAL_MAW_DOOR_1,     DATA_COMMANDER_ULTHOK,   DOOR_TYPE_ROOM      },
     { GO_DOODAD_ABYSSAL_MAW_DOOR_2,     DATA_COMMANDER_ULTHOK,   DOOR_TYPE_ROOM      },
+    { GO_DOODAD_ABYSSAL_MAW_DOOR_4,     DATA_COMMANDER_ULTHOK,   DOOR_TYPE_PASSAGE   },
     { 0,                                0,                       DOOR_TYPE_ROOM      } // END
 };
 

src/server/scripts/EasternKingdoms/ThroneOfTheTides/throne_of_the_tides.h

@@ -84,6 +84,8 @@ enum TotTGameObjectIds
     GO_TEMP_FALLING_ROCKS                   = 202742,
     GO_DOODAD_ABYSSAL_MAW_DOOR_1            = 204338,
     GO_DOODAD_ABYSSAL_MAW_DOOR_2            = 204339,
+    GO_DOODAD_ABYSSAL_MAW_DOOR_4            = 204341,
+
     GO_THRONE_OF_THE_TIDES_DEFENSE_SYSTEM   = 203199,
     GO_DOODAD_INVISIBLE_DOOR_1              = 207997,
     GO_DOODAD_INVISIBLE_DOOR_2              = 207998,