fix(xapi/VDI_importContent): format is not optional

@xen-orchestra/xapi/vdi.js

@@ -1,5 +1,6 @@
 'use strict'
 
+const assert = require('node:assert').strict
 const CancelToken = require('promise-toolbox/CancelToken')
 const pCatch = require('promise-toolbox/catch')
 const pRetry = require('promise-toolbox/retry')
@@ -86,6 +87,8 @@ class Vdi {
   }
 
   async importContent(ref, stream, { cancelToken = CancelToken.none, format }) {
+    assert.notEqual(format, undefined)
+
     if (stream.length === undefined) {
       throw new Error('Trying to import a VDI without a length field. Please report this error to Xen Orchestra.')
     }

CHANGELOG.unreleased.md

@@ -30,6 +30,7 @@
 <!--packages-start-->
 
 - @vates/async-each major
+- @xen-orchestra/xapi patch
 - xo-cli patch
 - xo-web patch