Homogenize personal page errors

Fixes https://github.com/owncloud/core/issues/26428

settings/templates/personal.php

@@ -119,7 +119,7 @@ if($_['passwordChangeSupported']) {
 <form id="passwordform" class="section">
 	<h2 class="inlineblock"><?php p($l->t('Password'));?></h2>
 	<div class="hidden icon-checkmark" id="password-changed"></div>
-	<div class="hidden" id="password-error"><?php p($l->t('Unable to change your password'));?></div>
+	<div class="hidden msg error" id="password-error"><?php p($l->t('Unable to change your password'));?></div>
 	<br>
 	<label for="pass1" class="hidden-visually"><?php echo $l->t('Current password');?>: </label>
 	<input type="password" id="pass1" name="oldpassword"