Various code cleanup.

app/Models/Configuration.php

@@ -23,16 +23,16 @@ declare(strict_types=1);
 
 namespace FireflyIII\Models;
 
+use Carbon\Carbon;
 use Eloquent;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
 use Illuminate\Database\Query\Builder;
-use Carbon\Carbon;
-
+use FireflyIII\Support\Models\ReturnsIntegerIdTrait;
 /**
  * FireflyIII\Models\Configuration
  *
- * @property int|string         $id
+ * @property int         $id
  * @property Carbon|null $created_at
  * @property Carbon|null $updated_at
  * @property Carbon|null $deleted_at
@@ -54,6 +54,7 @@ use Carbon\Carbon;
  */
 class Configuration extends Model
 {
+    use ReturnsIntegerIdTrait;
     use SoftDeletes;
 
 
@@ -87,4 +88,6 @@ class Configuration extends Model
     {
         $this->attributes['data'] = json_encode($value);
     }
+
+
 }