Fix some object weight problems

There were few places where the object weight was not updated:

- container when the contents were broken by impact
- starting to eat but getting stopped by rotten food
- using lua, container when putting an object inside it
- when a single egg of a larger stack hatched

src/timeout.c

@@ -1118,6 +1118,7 @@ hatch_egg(anything *arg, long timeout)
             /* still some eggs left */
             /* Instead of ordinary egg timeout use a short one */
             attach_egg_hatch_timeout(egg, (long) rnd(12));
+            egg->owt = weight(egg);
         } else if (carried(egg)) {
             useup(egg);
         } else {