Fixed memory leak between areas from automatic surface pool size (#452)

* fixed mem leak

* Add comment to second pop

src/engine/level_script.c

@@ -360,6 +360,8 @@ static void level_cmd_clear_level(void) {
     clear_area_graph_nodes();
     clear_areas();
     main_pool_pop_state();
+    // the game does a push on level load and a pop on level unload, we need to add another push to store state after the level has been loaded, so one more pop is needed
+    main_pool_pop_state();
     unmap_tlbs();
 
     sCurrentCmd = CMD_NEXT;
@@ -386,6 +388,7 @@ static void level_cmd_free_level_pool(void) {
             break;
         }
     }
+    main_pool_push_state();
 
     sCurrentCmd = CMD_NEXT;
 }