I solved everything. It is not zun-ui bug. If plugin is installed using manual install https://docs.openstack.org/horizon/stein/install/from-source.html zun-ui works perfectly fine with horizon.
I solved everything. It is not zun-ui bug. If plugin is installed using manual install https:/ /docs.openstack .org/horizon/ stein/install/ from-source. html zun-ui works perfectly fine with horizon.