Revert "discussion: remove temporary hidden input added for click"
This reverts commit 7aa5fb76
this change makes title empty when reply https://lab.nexedi.com/nexedi/erp5/merge_requests/823#note_73439
This reverts commit 7aa5fb76
this change makes title empty when reply https://lab.nexedi.com/nexedi/erp5/merge_requests/823#note_73439