What were you trying to do that didn't work?

[Machines] There will be Ooops when clicking "Migrate" when it's downloading to create a vm

Please provide the package NVR for which bug is seen:

cockpit-machines-313-1.el9.noarch

cockpit-316-1.el9.x86_64

libvirt-dbus-1.4.1-5.el9.x86_64

How reproducible:

100%

Steps to reproduce

1. Click "Create vm"

2.  Input "Red Hat Enterprise Linux 8.6 (Ootpa)" to "Operating system", then input a valid token to "Offline token", then click "Create and run"

3. When it's  "Download: xx%" , click the menu toggle at the end of the line, you will see there is no delete and other buttons, but there is Migrate, click it, there will be Ooops:

Uncaught TypeError: Cannot convert undefined or null to object
    at Function.values (<anonymous>)
    at index.js:530:61831
    at B$ (index.js:530:62249)
    at gE (index.js:6:17031)
    at K6 (index.js:8:44113)
    at U6 (index.js:8:39825)
    at Ife (index.js:8:39751)
    at ey (index.js:8:39601)
    at HI (index.js:8:35963)
    at Q4 (index.js:8:36768)

Expected results

There should be no "Migrate" in this situation, and no Ooops too

Actual results

See step 3.