fix: error when serializing ConnectionApprovalMessage with scene management disabled when one or more objects is hidden via the CheckObjectVisibility delegate#1509

ShadauxCat merged 6 commits intodevelopUnity-Technologies/com.unity.netcode.gameobjects:developfrom

fix/hidden_objects_serialization_errorsUnity-Technologies/com.unity.netcode.gameobjects:fix/hidden_objects_serialization_errorsCopy head branch name to clipboard