I booked & paid for a normal SHA+ hotel, then I booked & paid test at airport via tpas site. On the Thai pass website there is a section where you can upload extra documents. I added the confirmation of PCR test at airport in this section. My Thai pass was agreed & received within 15mins
I booked SHA+ hotel and paid for PCR test at Phuket. Applied for Thai pass earlier and added the receipt for the PCR under additional uploads. I received my Thai pass & QR code 15mins later!!