Fix recipient rename/delete after drag'n'drop, also keep the order

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Elastic: Moving single recipients between recipient inputs with drag-n-drop (#5069)
 - Support RFC8438: IMAP STATUS=SIZE - for faster folder size calculation (#7269)
 - MySQL: Use utf8mb4 charset and utf8mb4_unicode_ci collation (#6535, #7113)
 - Support for language codes up to 16 chars long (e.g. es-419) in database schema (#6851)

skins/elastic/ui.js

@@ -3258,8 +3258,9 @@ function rcube_elastic_ui()
                 items: "> .recipient",
                 connectWith: '.recipient-input',
                 receive: function(event, ui) {
-                    input.parent().appendTo(list);
-                    apply_func();
+                    var recipient = list.text();
+                    list.find('.recipient').remove();
+                    update_func(recipient);
                     if (ui.sender) {
                         ui.sender.find('input').change();
                     }