work on optimizing web implementation

packages/core/src/scope_arena.rs

@@ -30,8 +30,8 @@ impl VirtualDom {
             height,
             props: Some(props),
             placeholder: Default::default(),
-            node_arena_1: BumpFrame::new(50),
-            node_arena_2: BumpFrame::new(50),
+            node_arena_1: BumpFrame::new(0),
+            node_arena_2: BumpFrame::new(0),
             spawned_tasks: Default::default(),
             render_cnt: Default::default(),
             hook_arena: Default::default(),