Fix shift + drag'n'drop menu not working Elastic skin with Chrome browser (#8107)

CHANGELOG

@@ -8,6 +8,7 @@ CHANGELOG Roundcube Webmail
 - Fix bug where plus characters in attachment filename could have been ignored (#8074)
 - Fix displaying HTML body with inline images encapsulated using TNEF format (winmail.dat)
 - Fix handling of custom sender addresses with names (#8106)
+- Fix shift + drag'n'drop menu not working Elastic skin with Chrome browser (#8107)
 
 RELEASE 1.4.11
 --------------

skins/elastic/ui.js

@@ -2533,7 +2533,9 @@ function rcube_elastic_ui()
                 }
 
                 menus[p.name] = {target: target};
-                $(target).popover('show');
+
+                // setTimeout fixes Shift + drag'n'drop menu in Chrome (#8107)
+                setTimeout(function() { $(target).popover('show'); }, 1);
             }
 
             fn();