Rising priority of mail type column in list of email templates

Filterable and searchable columns should always have higher priority as
we want to prevent cases when the filter is enabled and column with
filter selectbox gets hidden

remp/novydenik#339

Mailer/app/presenters/TemplatePresenter.php

@@ -67,7 +67,7 @@ public function createComponentDataTableDefault(IDataTableFactory $dataTableFact
             ->setColSetting('type', [
                 'orderable' => false,
                 'filter' => $mailTypePairs,
-                'priority' => 2,
+                'priority' => 1,
             ])
             ->setColSetting('opened', [
                 'priority' => 3,