Fixed construction issue that would cause objects to become inaccessible (note this does not fix a similar issue related to rotation)

Simplified the region contract for construction

Server/src/main/content/global/skill/construction/HouseManager.java

@@ -454,15 +454,10 @@ public final class HouseManager {
 				using(target),
 				fillWith(defaultChunk)
 						.from(from)
-						.onPlanes(0)
-						.onCondition((destX, destY, plane) -> rooms[plane][destX][destY] == null),
-				fillWith((RegionChunk) null)
-						.from(from)
-						.onPlanes(1,2)
-						.onCondition((destX, destY, plane) -> rooms[plane][destX][destY] == null),
+						.onPlanes(0),
 				fillWith(defaultSkyChunk)
 						.from(from)
-						.onPlanes(3),
+						.onPlanes(1,2,3),
 				loadRooms
 						.from(from)
 						.onPlanes(0,1,2)

Server/src/main/core/game/world/map/Region.java

@@ -374,6 +374,8 @@ public class Region {
 				}
 			}
 		}
+                if (r.isBuild())
+                    r.setLoaded(false);
                 r.activityPulse.stop();
         return true;
 	}