Automatically add an account to a known list during onboarding

clive/__private/ui/onboarding/set_account/set_account.py

@@ -63,6 +63,7 @@ class SetAccount(BaseScreen, FormScreen[Profile]):
         # allow only for adding one account
         self.context.accounts.watched.clear()
         self.context.accounts.unset_working_account()
+        self.context.accounts.known.add(account_name)
         self._remove_invalid_known_accounts(account_name)
 
         if self.__is_working_account():