Fix list reload after sending message in another window (#1489931) - use checkmail instead of list command

CHANGELOG

@@ -14,6 +14,7 @@ CHANGELOG Roundcube Webmail
 - Support csv contacts import in German localization (#1489920)
 - Fix so message list and counters are updated when a message is opened in new window (#1489919)
 - Fix malformed recipient name when composing a message by clicking on mailto link (#1489942)
+- Fix list reload after sending message in another window (#1489931)
 
 RELEASE 1.0.1
 -------------

program/js/app.js

@@ -4221,21 +4221,22 @@ function rcube_webmail()
     this.display_message(msg, type);
 
     if (this.env.extwin) {
-      var rc = this.opener();
       this.lock_form(this.gui_objects.messageform);
+
+      var rc = this.opener();
       if (rc) {
         rc.display_message(msg, type);
         // refresh the folder where sent message was saved or replied message comes from
         if (folders && rc.env.task == 'mail' && rc.env.action == '' && $.inArray(rc.env.mailbox, folders) >= 0) {
-          // @TODO: try with 'checkmail' here when #1485186 is fixed. See also #1489249.
-          rc.command('list');
+          rc.command('checkmail');
         }
       }
-      setTimeout(function(){ window.close() }, 1000);
+
+      setTimeout(function() { window.close(); }, 1000);
     }
     else {
       // before redirect we need to wait some time for Chrome (#1486177)
-      setTimeout(function(){ ref.list_mailbox(); }, 500);
+      setTimeout(function() { ref.list_mailbox(); }, 500);
     }
   };