CreateImageWizard: move org id to custom component

Loading the organization ID is now done in the registration step. This
prevents the entire wizard from waiting on the org id and prevents the
wizard from remounting when the async getUser() completes.

src/Components/CreateImageWizard/steps/registration.js

@@ -12,7 +12,7 @@ export const registerValues = {
     }
 };
 
-export default (user) => ({
+export default {
     title: 'Registration',
     name: 'registration',
     nextStep: 'packages',
@@ -34,13 +34,9 @@ export default (user) => ({
             }))
         },
         {
-            component: componentTypes.TEXT_FIELD,
+            component: 'organization-id',
             name: 'subscription-organization',
-            type: 'text',
             'data-testid': 'organization-id',
-            label: 'Organization ID',
-            initialValue: Number(user?.identity?.internal?.org_id),
-            isDisabled: true,
             condition: {
                 or: [
                     { when: 'register-system', is: 'subscribe-now-radio' },
@@ -67,4 +63,4 @@ export default (user) => ({
             ],
         }
     ]
-});
+};