CHAT MSG BN WHISPER PLAYER OFFLINE

Needs summary. CHAT_MSG_BN_WHISPER_PLAYER_OFFLINE: text, playerName, languageName, channelName, playerName2, specialFlags, zoneChannelID, channelIndex, channelBaseName, unused, lineID, guid, bnSenderID, isMobile, isSubtitle, hideSenderInLetterbox, supressRaidIcons