refactor: `Service Configuration` async on server (#28813)

apps/meteor/app/api/server/v1/settings.ts

apps/meteor/app/apple/server/appleOauthRegisterService.ts

apps/meteor/app/cas/server/cas_rocketchat.js

apps/meteor/app/custom-oauth/client/custom_oauth_client.js

apps/meteor/app/custom-oauth/server/custom_oauth_server.js

apps/meteor/app/dolphin/lib/common.js

...or/app/lib/server/functions/getAvatarSuggestionForUser.ts

apps/meteor/app/lib/server/methods/refreshOAuthService.ts

apps/meteor/app/lib/server/oauth/oauth.js

apps/meteor/app/lib/server/startup/oAuthServicesUpdate.js

apps/meteor/app/meteor-accounts-saml/client/saml_client.js

apps/meteor/app/meteor-accounts-saml/server/lib/settings.ts

apps/meteor/app/wordpress/lib/common.js

apps/meteor/server/services/meteor/service.ts

apps/meteor/server/startup/migrations/v267.ts