Add toggle button to show/hide subtasks in task list view

app/Template/task_list/listing.php

@@ -5,7 +5,11 @@
         <p class="alert"><?= t('No tasks found.') ?></p>
     <?php elseif (! $paginator->isEmpty()): ?>
         <div class="table-list">
-            <?= $this->render('task_list/header', array('paginator' => $paginator)) ?>
+            <?= $this->render('task_list/header', array(
+                'paginator' => $paginator,
+                'project'   => $project,
+            )) ?>
+
             <?php foreach ($paginator->getCollection() as $task): ?>
                 <div class="table-list-row color-<?= $task['color_id'] ?>">
                     <?= $this->render('task_list/task_title', array(
@@ -21,8 +25,11 @@
                     )) ?>
 
                     <?= $this->render('task_list/task_icons', array(
-                        'project' => $project,
-                        'task'    => $task,
+                        'task' => $task,
+                    )) ?>
+
+                    <?= $this->render('task_list/task_subtasks', array(
+                        'task' => $task,
                     )) ?>
                 </div>
             <?php endforeach ?>