[9.x] - Collection Engine: add support for non-scalar values (#528)

* add support for non-scalar values

* Update CollectionEngine.php

Co-authored-by: Taylor Otwell <[email protected]>

Author: macbookandrew

src/Engines/CollectionEngine.php

@@ -122,6 +122,10 @@ protected function searchModels(Builder $builder)
             $searchables = $model->toSearchableArray();
 
             foreach ($searchables as $value) {
+                if (! is_scalar($value)) {
+                    $value = json_encode($value);
+                }
+
                 if (Str::contains(Str::lower($value), Str::lower($builder->query))) {
                     return true;
                 }