make updatenotification settings appear as if it is part of the version part in server settings

apps/updatenotification/lib/Controller/AdminController.php

@@ -168,6 +168,6 @@ class AdminController extends Controller implements ISettings {
 	 * E.g.: 70
 	 */
 	public function getPriority() {
-		return 5;
+		return 1;
 	}
 }

apps/updatenotification/templates/admin.php

@@ -13,9 +13,7 @@
 	/** @var string $currentChannel */
 	$currentChannel = $_['currentChannel'];
 ?>
-<form id="oca_updatenotification_section" class="section">
-	<h2><?php p($l->t('Updater')); ?></h2>
-
+<form id="oca_updatenotification_section" class="followupsection">
 	<?php if($isNewVersionAvailable === true): ?>
 		<strong><?php p($l->t('A new version is available: %s', [$newVersionString])); ?></strong>
 		<input type="button" id="oca_updatenotification_button" value="<?php p($l->t('Open updater')) ?>">

settings/css/settings.css

@@ -372,6 +372,14 @@ span.version {
 .section h2.app-name {
 	margin-bottom: 8px;
 }
+.followupsection {
+	display: block;
+	padding: 0 30px 30px 30px;
+	color: #555;
+	margin-bottom: 24px;
+	margin-top: -30px;
+	position: relative;
+}
 .app-image {
 	float: left;
 	padding-right: 10px;

settings/templates/admin/server.php

@@ -319,6 +319,7 @@ if ($_['mail_smtpmode'] == 'qmail') {
 </div>
 
 <div class="section">
+	<!-- should be the last part, so Updater can follow if enabled (it has no heading therefore). -->
 	<h2><?php p($l->t('Version'));?></h2>
 	<p><a href="<?php print_unescaped($theme->getBaseUrl()); ?>" rel="noreferrer" target="_blank"><?php p($theme->getTitle()); ?></a> <?php p(OC_Util::getHumanVersion()) ?></p>
 	<p><?php include(__DIR__ . '/../settings.development.notice.php'); ?></p>