Merge #1857

1857: disable startdate when autoreply is disabled r=mergify[bot] a=ghostwheel42

## What type of PR?

bug-fix

## What does this PR do?

disable the reply startdate field when autoreply is disabled


Co-authored-by: Alexander Graf <ghostwheel42@users.noreply.github.com>

core/admin/mailu/ui/templates/user/reply.html

@@ -14,7 +14,7 @@
   {{ form.hidden_tag() }}
   {{ macros.form_field(form.reply_enabled,
       onchange="if(this.checked){$('#reply_subject,#reply_body,#reply_enddate,#reply_startdate').removeAttr('readonly')}
-                else{$('#reply_subject,#reply_body,#reply_enddate').attr('readonly', '')}") }}
+                else{$('#reply_subject,#reply_body,#reply_enddate,#reply_startdate').attr('readonly', '')}") }}
   {{ macros.form_field(form.reply_subject,
       **{("rw" if user.reply_enabled else "readonly"): ""}) }}
     {{ macros.form_field(form.reply_body, rows=10,