Fix the use of traitsUsed

Author: hhjcz

src/EventListeners/SoftDeletableListener.php

@@ -35,6 +35,6 @@ private function isSoftDeletable($entity)
             $traitsUsed = array_merge($traitsUsed, class_uses($parent));
         }
 
-        return array_key_exists('Mitch\LaravelDoctrine\Traits\SoftDeletes', class_uses($entity));
+        return array_key_exists('Mitch\LaravelDoctrine\Traits\SoftDeletes', $traitsUsed);
     }
 }

src/Filters/TrashedFilter.php

@@ -17,6 +17,6 @@ private function isSoftDeletable($entity)
             $traitsUsed = array_merge($traitsUsed, class_uses($parent));
         }
 
-        return array_key_exists('Mitch\LaravelDoctrine\Traits\SoftDeletes', class_uses($entity));
+        return array_key_exists('Mitch\LaravelDoctrine\Traits\SoftDeletes', $traitsUsed);
     }
 }