Classic instructor VSI configuration check when changing configuration

Since it is used from Softlayer itself, vCPU and RAM can be selected respectively,

Selecting 32GB of RAM from the pulldown did not cause an error.

Therefore, I thought that I could order without problems and adjusted the work.

However, in reality, it was not possible to change to 32GB of RAM because the vCPU remained at 2core.

When selecting the RAM size from the pull-down list, check if the configuration is correct,

I want you to change it so that it will warn you if there is a problem