Revert 'DOMContentLoaded' change

Signed-off-by: Joas Schilling <coding@schilljs.com>

core/js/update.js

@@ -146,21 +146,23 @@
 
 })();
 
-$('.updateButton').on('click', function() {
-	var $updateEl = $('.update');
-	var $progressEl = $('.update-progress');
-	$progressEl.removeClass('hidden');
-	$('.updateOverview').addClass('hidden');
-	$('#update-progress-message-error').hide();
-	$('#update-progress-message-warnings').hide();
-	OC.Update.start($progressEl, {
-		productName: $updateEl.attr('data-productname'),
-		version: $updateEl.attr('data-version')
+window.addEventListener('DOMContentLoaded', function() {
+	$('.updateButton').on('click', function() {
+		var $updateEl = $('.update');
+		var $progressEl = $('.update-progress');
+		$progressEl.removeClass('hidden');
+		$('.updateOverview').addClass('hidden');
+		$('#update-progress-message-error').hide();
+		$('#update-progress-message-warnings').hide();
+		OC.Update.start($progressEl, {
+			productName: $updateEl.attr('data-productname'),
+			version: $updateEl.attr('data-version')
+		});
+		return false;
 	});
-	return false;
-});
 
-$('.update-show-detailed').on('click', function() {
-	$('#update-progress-detailed').toggleClass('hidden');
-	return false;
+	$('.update-show-detailed').on('click', function() {
+		$('#update-progress-detailed').toggleClass('hidden');
+		return false;
+	});
 });