Only show delete icon when logged in. (#73)

Check for a valid login session before showing delete icons on ticks.

Reviewed-on: https://gitea.subcultureofone.org/greg/tkr/pulls/73
Co-authored-by: Greg Sarjeant <greg@subcultureofone.org>
Co-committed-by: Greg Sarjeant <greg@subcultureofone.org>

src/View/TicksView/TicksView.php

@@ -23,7 +23,7 @@ class TicksView {
                     $relativeTime = Util::relative_time($tick['timestamp']);
                 ?>
                 <li class="tick" tabindex="0">
-                    <?php if ($tick['can_delete']): ?>
+                <?php if (Session::isLoggedIn() && $tick['can_delete']): ?>
                     <form method="post"
                           action="<?= Util::buildRelativeUrl($settings->basePath, "tick/{$tick['id']}/delete") ?>"
                           class="delete-tick-form">