Description of problem:
message should be display correct when create virt-who configuration
message "#<ForemanVirtWhoConfigure::Config:0x00007fe4ed2f5b78>." should not display.

Success alert:Success
Successfully created #<ForemanVirtWhoConfigure::Config:0x00007fe4ed2f5b78>.
Version-Release number of selected component (if applicable):

Satellite6.13.0 snapshot 15
katello-4.7.0-1.el8sat.noarch
rubygem-foreman_virt_who_configure-0.5.13-1.el8sat.noarch
rubygem-hammer_cli_foreman_virt_who_configure-0.0.9-2.el8sat.noarch

How reproducible:
100%

Steps to Reproduce:
1.Create a virt-who config by UI
2. When the virt-who config created successfully. it display the following message
Success alert:Success
Successfully created #<ForemanVirtWhoConfigure::Config:0x00007fe4ed2f5b78>.
Version-Release number of selected component (if applicable):

It should not display the message "#<ForemanVirtWhoConfigure::Config:0x00007fe4ed2f5b78>".

Actual results:
create virt-who config successfully, it display the Unreadable message "#<ForemanVirtWhoConfigure::Config:0x00007fe4ed2f5b78>".

Expected results:
it should display the message like this
"ui_ahv_central virt-who Configuration has been successfully created."

Additional info: