Add items back to reconstructor if it overwrote itself

core/src/mindustry/world/blocks/units/Reconstructor.java

@@ -114,6 +114,13 @@ public class Reconstructor extends UnitBlock{
             return capacities[item.id];
         }
 
+        @Override
+        public void overwrote(Seq<Building> builds){
+            if(builds.first().block == block){
+                items.add(builds.first().items);
+            }
+        }
+
         @Override
         public void draw(){
             Draw.rect(region, x, y);