fix(shared): ensure invokeArrayFns handles undefined arguments

Author: jh-leong

packages/shared/src/general.ts

@@ -135,7 +135,7 @@ export const hasChanged = (value: any, oldValue: any): boolean =>
 
 export const invokeArrayFns = (fns: Function[], arg?: any) => {
   for (let i = 0; i < fns.length; i++) {
-    fns[i](arg)
+    arg === undefined ? fns[i]() : fns[i](arg)
   }
 }