Merge in dungeon map changes (#1)

known issues:
- in-room stairs in door shuffle draw slightly bugged sometimes
- entrance sprites in non-doors are sometimes drawn on the wrong floor
- in some modes, sanctuary will open HC map instead of sewers/HC2 map

Reviewed-on: #1
Co-authored-by: Kara Alexandra <ardnaxelarak@gmail.com>
Co-committed-by: Kara Alexandra <ardnaxelarak@gmail.com>

vanillalabels.asm

@@ -274,14 +274,21 @@ GFXSheetPointers_background_bank                           = $80CFC0
 GFXSheetPointers_background_high                           = $80D09F
 GFXSheetPointers_background_low                            = $80D17E
 LayerOfDestination                                         = $81C31F
+RoomData_ChestItems                                        = $81E96C
 AnimatedTileSheets                                         = $82802E
 Module1B_SpawnSelect_spawns                                = $828481
 Overworld_ActualScreenID                                   = $82A4E3
 UnderworldTransitionLandingCoordinate                      = $82C034
 Overworld_FinalizeEntryOntoScreen_Data                     = $82C176
+EntranceData_room_id                                       = $82C577
+EntranceData_y_coordinate                                  = $82CCBD
+EntranceData_x_coordinate                                  = $82CDC7
+EntranceData_dungeon_id                                    = $82D1EF
+EntranceData_layer                                         = $82D2F9
 EntranceData_song                                          = $82D592
 SpawnPointData_room_id                                     = $82D8D2
 Overworld_CheckForSpecialOverworldTrigger_Direction        = $84E879
+RoomHeaderPointers                                         = $84F1E2
 Sprite_ShowSolicitedMessage_Direction                      = $85E1A3
 FluteMenuNumbers_bits                                      = $8AB7A3
 WorldMap_RedXChars                                         = $8ABF70
@@ -289,7 +296,11 @@ WorldMap_CalculateOAMCoordinates                           = $8AC3B1
 WorldMap_HandleSpriteBlink                                 = $8AC52E
 WorldMapIcon_AdjustCoordinate                              = $8AC59B
 WorldMap_DarkWorldTilemap                                  = $8AD739
+DungeonMapRoomMarkerYBase                                  = $8AE803
 DungeonMapBossRooms                                        = $8AE817
+DungeonMapFloorCountData                                   = $8AF5E9
+DungeonMapFloorToDataOffset                                = $8AF605
+DungeonMapRoomPointers                                     = $8AF615
 DamageSubclassValue                                        = $8DB8F1
 TextCharMasks                                              = $8EB844
 Credits_ScrollScene_target_y                               = $8EC308