Description of problem:

From ROSA Wizard > Networking (enabled with Install into an existing VPC option) > VPC settings page, User has  selected the 6 security groups and tried to install the cluster.
Cluster initiation has failed and reported below error.

How reproducible:

always

Steps to Reproduce:

1. Open OCM UI staging.
2. Open ROSA wizard and choose control plane as "Classic".
3. Go to Networking step and enable the " Install into an existing VPC option"
4. Click "Next" button.
5. Select a VPC (make sure it has more than 6 custom security groups associated)and fill the subnet definitions.
6. Expand the "Additional security groups" section.
7. Enable "Apply the same security groups to all node types (control plane, infrastructure, worker)" checkbox.
8. Select 6  security groups.
9. Proceed to next steps and reach to "Review and create" step.
10. Click "Create cluster" button and see the behavior.

Actual results:

At step 10, The cluster submission has failed as there is a limit in no of security groups (max 5) configured for all nodes.

Expected results:

Restrict the user to select more than  5 security groups during  cluster creation from wizard.