Update mail panel blade view, fix markdown bug

resources/views/vendor/mail/html/panel.blade.php

@@ -1,13 +1,13 @@
 <table class="panel" width="100%" cellpadding="0" cellspacing="0" role="presentation">
-    <tr>
-        <td class="panel-content">
-            <table width="100%" cellpadding="0" cellspacing="0" role="presentation">
-                <tr>
-                    <td class="panel-item">
-                        {{ Illuminate\Mail\Markdown::parse($slot) }}
-                    </td>
-                </tr>
-            </table>
-        </td>
-    </tr>
+<tr>
+<td class="panel-content">
+<table width="100%" cellpadding="0" cellspacing="0" role="presentation">
+<tr>
+<td class="panel-item">
+{{ Illuminate\Mail\Markdown::parse($slot) }}
+</td>
+</tr>
+</table>
+</td>
+</tr>
 </table>