regression: Registration Wizard UI fixes (#31072)

.../meteor/client/views/root/MainLayout/RegisterUsername.tsx

.../client/views/setupWizard/contexts/SetupWizardContext.tsx

...lient/views/setupWizard/providers/SetupWizardProvider.tsx

apps/meteor/client/views/setupWizard/steps/AdminInfoStep.tsx

...eor/client/views/setupWizard/steps/RegisterServerStep.tsx

apps/meteor/ee/app/license/server/startup.ts

apps/meteor/package.json

apps/meteor/packages/rocketchat-i18n/i18n/af.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/ar.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/ca.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/de.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/en.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/es.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/fi.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/fr.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/hu.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/ja.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/nl.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/pl.i18n.json

apps/meteor/packages/rocketchat-i18n/i18n/pt-BR.i18n.json