schema fixes

index.js

@@ -71,10 +71,10 @@ const upload  = require('multer')({ dest: uploadPath })
 
         input OrderInput {
             _id: ID
-            executor: User
+            executor: UserInput
             messages: [MessageInput]
             comments: [CommentInput]
-            images: [Image]
+            images: [ImageInput]
             link: String,
             name: String,
             price: Float,