fix wrong destroctor call

blobtree_structure/src/blobtree.cpp

@@ -83,7 +83,11 @@ BS_API void clear_blobtree() noexcept
 
 virtual_node_t push_primitive_node(primitive_node_t&& primitive_node)
 {
-    primitives.emplace_back(std::move(primitive_node));
+    primitives.emplace_back(primitive_node);
+    primitive_node.desc =
+        nullptr; // NOTE: primitives.back().desc and primitive_node.desc share same memory, so when this
+                 // function returns, primitive_node.desc will be invalidated, so as primitives.back().desc, which outputs
+                 // errors. Thus, we manually set primitive_node.desc to nullptr to avoid this problem.
 
     node_t node{standard_new_node};
     node_fetch_primitive_index(node) = static_cast<uint32_t>(primitives.size() - 1);