Resolve issue with files and documents not working.

Closes #3512266

src/Service/KontainerService.php

@@ -142,7 +142,16 @@ class KontainerService implements KontainerServiceInterface {
    */
   public function createEntities(array $assetData): array {
     $assetType = $assetData['type'] ?? self::KONTAINER_FILE_TYPE;
-    $assetUrl = $assetData['thumbnailUrl'] ?? ($assetData['url'] ?? NULL);
+    switch ($assetType) {
+      case KontainerServiceInterface::KONTAINER_FILE_TYPE:
+      case KontainerServiceInterface::KONTAINER_DOCUMENT_TYPE:
+      case KontainerServiceInterface::KONTAINER_VIDEO_TYPE:
+        $assetUrl = $assetData['url'];
+        break;
+      default:
+        $assetUrl = $assetData['thumbnailUrl'] ?? ($assetData['url'] ?? NULL);
+    }
+
     $assetName = $assetData['fileName'] ?? NULL;
     $assetKontainerFileId = $assetData['fileId'] ?? NULL;
     $assetAlt = $assetData['alt'] ?? NULL;
@@ -156,6 +165,7 @@ class KontainerService implements KontainerServiceInterface {
     if (empty($assetKontainerFileId)) {
       throw new \Exception('No Kontainer file id provided from Kontainer.');
     }
+
     $mediaType = $remoteMediaSource ? self::CDN_MEDIA_TYPE_NAME : self::MEDIA_TYPES_MAPPING[$assetType];
     $this->checkAccess($mediaType);
     $mediaTypeLoaded = $this->getMediaType($mediaType);