It doesn’t look like anybody who registered for the midnights sale will get a code for the general sale.
Last FAQ on here - https://help.ticketmaster.co.uk/hc/en-us/articles/16284744793361-Taylor-Swift-The-Eras-Tour?uk_et_cid=AEGP_TAYLOR1_050723&uk_et_rid=1_17507081003899162