fix parse getaccountmemebrship

lib/zimbra-admin-api.js

@@ -31010,6 +31010,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	    this.id = resource_obj.id;
 	    this.attrs = this.buildAttrsMap(resource_obj.a);
 	    this.api = zimbra_api_client;
+	    this._addAttributesIfExists(resource_obj);
 	  }
 	
 	  (0, _createClass3.default)(Zimbra, [{

src/zimbra/zimbra.js

@@ -8,7 +8,8 @@ class Zimbra {
     this.name = resource_obj.name;
     this.id = resource_obj.id;
     this.attrs = this.buildAttrsMap(resource_obj.a);
-    this.api = zimbra_api_client;    
+    this.api = zimbra_api_client;   
+    this._addAttributesIfExists(resource_obj);
   }
 
   _addAttributesIfExists(resource_obj) {