fix: correct phpcs indentation on SLA banner conditional block

PHP inline conditionals inside HTML context must use 4-space indentation
to satisfy PSR-12 Generic.WhiteSpace.ScopeIndent rule.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

views/TicketView.php

@@ -240,11 +240,11 @@ include __DIR__ . '/layout_header.php';
       <div class="lt-sla-fill" id="slaProgressBar" style="width:<?= $slaPct ?>%"></div>
     </div>
   </div>
-  <?php if (!$slaBreached) : ?>
-    <div class="lt-sla-meta" id="slaCountdownTimer"></div>
-  <?php else : ?>
-    <div class="lt-sla-meta lt-text-danger" id="slaCountdownTimer">+<span id="slaOverrunTimer"><?= round(($elapsedSeconds - $slaTargetHours * 3600) / 3600, 1) ?>h</span> over</div>
-  <?php endif ?>
+    <?php if (!$slaBreached) : ?>
+        <div class="lt-sla-meta" id="slaCountdownTimer"></div>
+    <?php else : ?>
+        <div class="lt-sla-meta lt-text-danger" id="slaCountdownTimer">+<span id="slaOverrunTimer"><?= round(($elapsedSeconds - $slaTargetHours * 3600) / 3600, 1) ?>h</span> over</div>
+    <?php endif ?>
   <button type="button" class="lt-sla-dismiss" aria-label="Dismiss">&#x2715;</button>
 </div>
 <script nonce="<?= htmlspecialchars($nonce, ENT_QUOTES, 'UTF-8') ?>">