Create room 049 (Ogre's Cottage) and wire transitions

- Added kq4_049_ogres_cottage scene
- North exit to room 004 (Ogre's Cottage Exterior) - bidirectional connection
- East exit to room 048 (Ogres' Bedroom) - bidirectional connection
- South exit to room 050 (Kitchen) - room 050 doesn't exist yet, transition pending
- West exit to room 051 (Closet) - room 051 doesn't exist yet, transition pending
- Updated room 048 to fix transition to room 049

scenes/kq4_048_ogres_bedroom/kq4_048_ogres_bedroom.tscn

@@ -41,7 +41,7 @@ position = Vector2(194, 819)
 position = Vector2(1766, 74)
 polygon = PackedVector2Array(-108, 454, -87, 649, 376, 658, 348, 381)
 appear_at_node = "kq4_048_ogres_bedroom"
-target = "uid://PLACEHOLDER_049"
+target = "uid://1cxd7kvarvjr5"
 label = "Upstairs Hallway"
 
 [node name="entrance" parent="kq4_049_upstairs_hallway" index="0"]