applied coding standards

extensions/debug/views/default/panels/db/detail.php

 <?php
 use yii\helpers\Html;
 use yii\grid\GridView;
+
 ?>
 <h1>Database Queries</h1>
 

extensions/debug/views/default/panels/log/detail.php

@@ -2,6 +2,7 @@
 use yii\helpers\Html;
 use yii\grid\GridView;
 use yii\log\Logger;
+
 ?>
 <h1>Log Messages</h1>
 <?php

extensions/debug/views/default/panels/log/summary.php

 <?php
 use yii\log\Target;
 use yii\log\Logger;
+
 ?>
 
 <?php