Create room 047 (Genesta's Palace Entry Hall) and wire transitions

- Added kq4_047_genestas_palace_entry_hall scene
- South exit to room 037 (Fairy Island) - bidirectional connection
- East exit to room 046 (Tower Stairway) - bidirectional connection
- Updated room 037 to add return transition to room 047
- Updated room 046 to fix transition to room 047

scenes/kq4_037_fairy_island/kq4_037_fairy_island.gd

@@ -13,6 +13,10 @@ func _on_island_garden_pond_interacted() -> void:
 	$kq4_036_island_garden_pond.default_script(self)
 
 
+func _on_genestas_palace_entry_hall_interacted() -> void:
+	$kq4_047_genestas_palace_entry_hall.default_script(self)
+
+
 func _on_room_looked() -> void:
 	start_main_script(ScriptBuilder.init(
 		ScriptBuilder.say(ego, "Genesta's tiny fairies guard the palace door.")