Description of the problem:
In OSD (non-ccs) wizard flow, the user can't select the values from compute-node dropdown.

Refer attached recordings
Steps to reproduce:

• Launch OCM Staging UI.
• Open the OSD trial cluster wizard by using this URL .
• Select subscription as "On-Demand", select Google Cloud Marketplace, and Infrastructure type as "Customer cloud subscription"
• Click "Next" and choose either AWS or GCP cloud provider.
• Proceed to the "Next" steps and reach the "Machine pool" page.
• Try to select the Compute node values from the drop-down and navigate to the review screen

• Actual results:

After clicking on values from the Compute node drop-down, nothing has been selected.
Something went wrong error is shown to the user on the Review page

Expected results:

The user should be allowed to select the values from the Compute node drop-down without any issues.
The user should be able to view the contents of Review page without any issue.