Use non strict comparison to validate token

On my setup this is needed to load a document

Maybe related to using postgres

lib/db/wopi.php

@@ -114,7 +114,7 @@ class Wopi extends \OCA\Richdocuments\Db{
 			//$wopi->deleteBy('id', $row['id']);
 			//return false;
 		}
-		if ($row['fileid'] !== $fileId || $row['version'] !== $version){
+		if ($row['fileid'] != $fileId || $row['version'] != $version){
 			// File unknown / user unauthorized (for the requested file).
 			http_response_code(404);
 			return false;