https://github.com/sendbird/sendbird-ios-framework/releases/tag/v3.0.216
• Added getCachedMetaData in SBDBaseChannel.
• Added includeMetaData in SBDGroupChannelListQuery, SBDPublicGroupChannelListQuery, SBDOpenChannelListQuery.
• Fixed a bug that the message object in the search result was SBDBaseMessage class and the sender of the message object was nil.
• Improved stability.
