host/services: do not show tables based on...

...whether they have content or not. It's too late to take this decision in
the view, as different tables are to be handled differently - in the controlller.

fixes #793

application/controllers/HostController.php

@@ -142,7 +142,9 @@ class HostController extends ObjectController
             ->setTitle($title)
             ->setConnection($db);
 
-        $tables[$title] = $table;
+        if (count($table)) {
+            $tables[$title] = $table;
+        }
 
         $this->view->tables = $tables;
     }

application/views/scripts/host/services.phtml

@@ -10,8 +10,6 @@
 <div class="content">
 <?= $this->form ?>
 <?php foreach ($this->tables as $key => $table): ?>
-<?php if (count($table)): ?>
 <?= $table->render() ?>
-<?php endif ?>
 <?php endforeach ?>
 </div>