Function panorama::mail::client::sync_main

pub async fn sync_main(
    config: Config, 
    acct_name: impl AsRef<str>, 
    acct: MailAccountConfig, 
    mail2ui_tx: UnboundedSender<MailEvent>, 
    mail_store: MailStore
) -> Result<()>

The main function for the IMAP syncing thread