DialogMCAP(const std::unordered_map< int, mcap::ChannelPtr > &channels, const std::unordered_map< int, mcap::SchemaPtr > &schemas, const std::unordered_map< uint16_t, uint64_t > &messages_count_by_channelID, std::optional< mcap::LoadParams > default_parameters, QWidget *parent=nullptr)