Fix optimizeSimpleObject for arrays of objects (#12815)

lib/browser/rpc-server.js

@@ -83,7 +83,7 @@ let valueToMeta = function (sender, value, optimizeSimpleObject = false) {
 
   // Fill the meta object according to value's type.
   if (meta.type === 'array') {
-    meta.members = value.map((el) => valueToMeta(sender, el))
+    meta.members = value.map((el) => valueToMeta(sender, el, optimizeSimpleObject))
   } else if (meta.type === 'object' || meta.type === 'function') {
     meta.name = value.constructor ? value.constructor.name : ''