Description of problem:

In case of larger security group names , the alignment of security groups drop-down in Add machine pool dialog seems wrong

How reproducible:

always

Steps to Reproduce:

1. Open OCM UI staging.
2. Open a Ready ROSA cluster  installed with custom VPC(VPC should have some Security groups associated with larger names).
3. Go to Machine pool tab.
4. Click "Add machine pool" button
5. Click "Security groups" drop-down and See the behavior.

Actual results:

The security group drop-down fields seems misaligned when larger SG names present.

Expected results:

Show the security group drop-down fields properly with a fit to parent dialog when larger SGs present.