Glia iOS Core SDK 2.0.2

Changed

• Promote metadata from external logger to internal
• Make capabilities.text field fallback to default false value
• Take global subscription disposables under control

Added

• unsubscribeFromUnreadMessageCount to SecureConversations
• unsubscribeFromPendingSecureConversationStatus to SecureConversations
• subscribeToPendingSecureConversationStatus to SecureConversations
• pendingSecureConversations to SecureConversations