Allow custom classes on nav entries

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

apps/files/templates/appnavigation.php

@@ -1,6 +1,6 @@
 <div id="app-navigation">
 	<ul class="with-icon">
-		<li id="quota" class="section <?php
+		<li id="quota" class="section pinned <?php
 		if ($_['quota'] !== \OCP\Files\FileInfo::SPACE_UNLIMITED) {
 			?>has-tooltip" title="<?php p($_['usage_relative'] . '%');
 		} ?>">
@@ -19,7 +19,7 @@
 			</a>
 		</li>
 		<?php foreach ($_['navigationItems'] as $item) { ?>
-		<li data-id="<?php p($item['id']) ?>" class="nav-<?php p($item['id']) ?>">
+		<li data-id="<?php p($item['id']) ?>" class="nav-<?php p($item['id']) ?> <?php p($item['classes']) ?>">
 			<a href="<?php p(isset($item['href']) ? $item['href'] : '#') ?>"
 				class="nav-icon-<?php p($item['icon'] !== '' ? $item['icon'] : $item['id']) ?> svg">
 				<?php p($item['name']);?>