Fix public status location (#10526)

* Fix public status location
Implementing __toString() seemed to be the most elegant way to fix it.
Added pre-loading for locations too

* Take advantage of new __toString function

app/Models/Location.php

@@ -155,4 +155,9 @@ class Location extends Model
     {
         return $this->hasMany('App\Models\Device', 'location_id');
     }
+
+    public function __toString()
+    {
+        return $this->location;
+    }
 }