fix(realtime_client): make ref field optional in Message class#1284

grdsdev merged 2 commits intomainsupabase/supabase-flutter:mainfrom

guilherme/sdk-531-flutter-verify-optional-refs-handling-in-messagesupabase/supabase-flutter:guilherme/sdk-531-flutter-verify-optional-refs-handling-in-messageCopy head branch name to clipboard