lock: Acquire a lazy lock for internal note posting

Fixes #2371

include/staff/ticket-view.inc.php

@@ -469,14 +469,14 @@ $tcount = $ticket->getThreadEntries($types)->count();
     if ($role->hasPerm(TicketModel::PERM_REPLY)) { ?>
     <form id="reply" class="tab_content spellcheck exclusive"
         data-lock-object-id="ticket/<?php echo $ticket->getId(); ?>"
-        data-lock-id="<?php echo ($mylock) ? $mylock->getId() : ''; ?>"
+        data-lock-id="<?php echo $mylock ? $mylock->getId() : ''; ?>"
         action="tickets.php?id=<?php
         echo $ticket->getId(); ?>" name="reply" method="post" enctype="multipart/form-data">
         <?php csrf_token(); ?>
         <input type="hidden" name="id" value="<?php echo $ticket->getId(); ?>">
         <input type="hidden" name="msgId" value="<?php echo $msgId; ?>">
         <input type="hidden" name="a" value="reply">
-        <input type="hidden" name="lockCode" value="<?php echo ($mylock) ? $mylock->getCode() : ''; ?>">
+        <input type="hidden" name="lockCode" value="<?php echo $mylock ? $mylock->getCode() : ''; ?>">
         <span class="error"></span>
         <table style="width:100%" border="0" cellspacing="0" cellpadding="3">
            <tbody id="to_sec">
@@ -659,13 +659,16 @@ $tcount = $ticket->getThreadEntries($types)->count();
     </form>
     <?php
     } ?>
-    <form id="note" class="hidden tab_content spellcheck" action="tickets.php?id=<?php
-        echo $ticket->getId(); ?>#note" name="note" method="post" enctype="multipart/form-data">
+    <form id="note" class="hidden tab_content spellcheck exclusive"
+        data-lock-object-id="ticket/<?php echo $ticket->getId(); ?>"
+        data-lock-id="<?php echo $mylock ? $mylock->getId() : ''; ?>"
+        action="tickets.php?id=<?php echo $ticket->getId(); ?>#note"
+        name="note" method="post" enctype="multipart/form-data">
         <?php csrf_token(); ?>
         <input type="hidden" name="id" value="<?php echo $ticket->getId(); ?>">
         <input type="hidden" name="locktime" value="<?php echo $cfg->getLockTime() * 60; ?>">
         <input type="hidden" name="a" value="postnote">
-        <input type="hidden" name="lockCode" value="<?php echo ($mylock) ? $mylock->getCode() : ''; ?>">
+        <input type="hidden" name="lockCode" value="<?php echo $mylock ? $mylock->getCode() : ''; ?>">
         <table width="100%" border="0" cellspacing="0" cellpadding="3">
             <?php
             if($errors['postnote']) {?>