fix : 모델 경로 수정

app/Models/Products/Product.php

@@ -16,4 +16,9 @@ public function category() {
     public function boms() {
         return $this->hasMany(Bom::class);
     }
+
+    public function files()
+    {
+        return $this->morphMany(File::class, 'fileable');
+    }
 }