Add Features: allowing lists to be sorted by modifiedAt when not in draggable mode.

Bug Fix #2093: the broken should be prior to file attachment feature introduced, and tested export board is working.

Thanks to whowillcare !

( xet7 merged this pull request manually from https://github.com/wekan/wekan/pull/2756 )

Closes #2093

client/components/users/userHeader.jade

@@ -78,6 +78,11 @@ template(name="changeSettingsPopup")
         | {{_ 'hide-system-messages'}}
         if hiddenSystemMessages
           i.fa.fa-check
+    li
+      a.js-toggle-desktop-drag-handles
+        | {{_ 'show-desktop-drag-handles'}}
+        if showDesktopDragHandles
+          i.fa.fa-check
     li
       label.bold
         | {{_ 'show-cards-minimum-count'}}