refactor(map): reorder fields in MapHeapData

Author: Reinsdyret

nova_vm/src/ecmascript/builtins/map/data.rs

@@ -21,12 +21,12 @@ use soavec_derive::SoAble;
 
 #[derive(Debug, Default, SoAble)]
 pub struct MapHeapData<'a> {
+    /// Low-level hash table pointing to keys-values indexes.
+    pub(crate) map_data: RefCell<HashTable<u32>>,
     // TODO: Use a ParallelVec to remove one unnecessary allocation.
     // pub(crate) key_values: ParallelVec<Option<Value>, Option<Value>>
-    pub(crate) keys: Vec<Option<Value<'a>>>,
     pub(crate) values: Vec<Option<Value<'a>>>,
-    /// Low-level hash table pointing to keys-values indexes.
-    pub(crate) map_data: RefCell<HashTable<u32>>,
+    pub(crate) keys: Vec<Option<Value<'a>>>,
     pub(crate) object_index: Option<OrdinaryObject<'a>>,
     /// Flag that lets the Map know if it needs to rehash its primitive keys.
     ///