Changed all calls to View::render() in views to use absolute path within module

Maximises compatibility with view overrides, preventing "View not Found – yii\base\ViewNotFoundException" errors when a view is overridden that contains a call to `View::render()` and a relative path was specified

src/User/resources/views/settings/networks.php

@@ -28,7 +28,7 @@ $this->params['breadcrumbs'][] = $this->title;
 
 <div class="row">
     <div class="col-md-3">
-        <?= $this->render('_menu') ?>
+        <?= $this->render('/networks/_menu') ?>
     </div>
     <div class="col-md-9">
         <div class="panel panel-default">