From e3a2bc2a3f86603cb0548211a3bb1263a66063e7 Mon Sep 17 00:00:00 2001
From: Lewis Voncken <lewis@experius.nl>
Date: Wed, 16 May 2018 15:29:26 +0200
Subject: [PATCH] [TASK] Add Sort order to the Related Produt Collection in the
 Admin Panel

 - This also has a fix for issue-13720
---
 .../Model/ProductLink/CollectionProvider.php       | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/app/code/Magento/Catalog/Model/ProductLink/CollectionProvider.php b/app/code/Magento/Catalog/Model/ProductLink/CollectionProvider.php
index e4fbd846ffde5..93e3766eb003e 100644
--- a/app/code/Magento/Catalog/Model/ProductLink/CollectionProvider.php
+++ b/app/code/Magento/Catalog/Model/ProductLink/CollectionProvider.php
@@ -48,9 +48,21 @@ public function getCollection(\Magento\Catalog\Model\Product $product, $type)
         $products = $this->providers[$type]->getLinkedProducts($product);
         $converter = $this->converterPool->getConverter($type);
         $output = [];
+        $sorterItems = [];
         foreach ($products as $item) {
             $output[$item->getId()] = $converter->convert($item);
         }
-        return $output;
+        foreach ($output as $item) {
+            $itemPosition = (int)$item['position'];
+            while (true) {
+                if (!isset($sorterItems[$itemPosition])) {
+                    break;
+                }
+                $itemPosition += 1;
+            }
+            $sorterItems[$itemPosition] = $item;
+        }
+        ksort($sorterItems);
+        return $sorterItems;
     }
 }