Drupal 8 Media library edit - Support multiple cardinality

drupal.core.8.x-media-library-edit-support-multiple-cardinality

Index: media_library_edit.module
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- media_library_edit.module	(date 1549024812000)
+++ media_library_edit.module	(date 1549024812000)
@@ -89,5 +89,28 @@
         }
       }
     }
+    else{
+      $settings = $context['widget']->getThirdPartySettings('media_library_edit');
+      if (isset($settings['show_edit']) && $settings['show_edit']) {
+        $media = $context['items']->first()->entity;
+        if ($media) {
+          $edit_template = $media->getEntityType()->getLinkTemplate('edit-form');
+          if ($edit_template) {
+            foreach(\Drupal\Core\Render\Element::children($element['selection']) as $media_element){
+              $edit_url = Url::fromUserInput(str_replace('{media}', $element['selection'][$media_element]['target_id']['#value'], $edit_template), ['attributes'=>['target'=>'_blank']]);
+              $element['selection'][$media_element]['media_edit'] = [
+                '#type' => 'link',
+                '#title' => t('Edit media item'),
+                '#url' => $edit_url,
+                '#attributes' => [
+                  'class' => 'button',
+                ],
+                '#theme_wrappers'=> ['container'=>['#attributes'=>['class'=>['action-links']]]],
+              ];
+            }
+          }
+        }
+      }
+    }
   }
 }