Wizard: Fix disable Next on Registration step

When the option to register with rhc and insights was added back the disableNext condition wasn't updated, allowing user to continue with registration even without selecting activation key.

src/Components/CreateImageWizard/CreateImageWizard.tsx

@@ -328,7 +328,7 @@ const CreateImageWizard = ({ isEdit }: CreateImageWizardProps) => {
             footer={
               <CustomWizardFooter
                 disableNext={
-                  registrationType === 'register-now' && !activationKey
+                  registrationType.startsWith('register-now') && !activationKey
                 }
               />
             }