Resource is also searchable if $searchRelations is not empty

Author: TitasGailius

src/SearchesRelations.php

@@ -7,6 +7,16 @@
 
 trait SearchesRelations
 {
+    /**
+     * Determine if this resource is searchable.
+     *
+     * @return bool
+     */
+    public static function searchable()
+    {
+        return parent::searchable() || ! empty(static::$searchRelations);
+    }
+
     /**
      * Apply the search query to the query.
      *