#989 Fix back links

Make simalar to edit page.

web/templates/admin/add_dns_rec.html

@@ -1,7 +1,7 @@
 <div class="l-center edit">
         <div class="l-sort clearfix">
           <div class="l-unit-toolbar__buttonstrip">
-            <a class="ui-button cancel" id="btn-back" href="javascript:window.history.back();"><i class="fas fa-arrow-left status-icon blue"></i> <?=__('Back')?></a>
+            <a class="ui-button cancel" id="btn-back" href="/list/dns/?domain=<?=htmlentities(trim($v_domain, "'"))?>&token=<?=$_SESSION['token']?>"><i class="fas fa-arrow-left status-icon blue"></i> <?=__('Back')?></a>
           </div>
           <div class="l-unit-toolbar__buttonstrip float-right">
             <a href="#" class="ui-button" title="<?=__('Save')?>" data-action="submit" data-id="vstobjects"><i class="fas fa-save status-icon purple"></i> <?=__('Save')?></a>

web/templates/admin/add_mail_acc.html

@@ -1,7 +1,7 @@
 <div class="l-center edit">
         <div class="l-sort clearfix">
           <div class="l-unit-toolbar__buttonstrip">
-            <a class="ui-button cancel" id="btn-back" href="javascript:window.history.back();"><i class="fas fa-arrow-left status-icon blue"></i> <?=__('Back')?></a>
+            <a class="ui-button cancel" id="btn-back" href="/list/mail/?domain=<?=htmlentities(trim($v_domain, "'"))?>&token=<?=$_SESSION['token']?>"><i class="fas fa-arrow-left status-icon blue"></i> <?=__('Back')?></a>
           </div>
           <div class="l-unit-toolbar__buttonstrip float-right">
             <a href="#" class="ui-button" title="<?=__('Save')?>" data-action="submit" data-id="vstobjects"><i class="fas fa-save status-icon purple"></i> <?=__('Save')?></a>