To Reproduce Steps to reproduce the behavior:

• Create test instance with root disk provided by Cinder, upload test rescue ISO image and set proper hw_rescue_device
• Follow https://access.redhat.com/solutions/7071497 to confirm that rescue works fine from CLI. Unrescue instance
• Try to rescue instance from Horizon.

Expected behavior
Rescue is successful

Bug impact
Impossible to rescue volume-backed instances from Horizon

Known workaround
Use CLI

Additional context
Upstream yoga fix:https://review.opendev.org/c/openstack/horizon/+/862683