chore(runtime-vapor): make attrsProxy optional

Author: ubugeeei

packages/runtime-vapor/src/component.ts

@@ -115,7 +115,7 @@ export interface ComponentInternalInstance {
   slots: InternalSlots
   refs: Data
 
-  attrsProxy: Data | null
+  attrsProxy?: Data
   slotsProxy?: Slots
 
   // lifecycle
@@ -241,8 +241,6 @@ export function createComponentInstance(
     slots: EMPTY_OBJ,
     refs: EMPTY_OBJ,
 
-    attrsProxy: null,
-
     // lifecycle
     isMounted: false,
     isUnmounted: false,