Before you edited your reply, you asked "what is wrong with Xiaomi?"...
Nothing is wrong with Xiaomi. Mi 10T Pro does not exist in China, so China ROM for Mi 10T comes without camera modules for Mi 10T Pro's 108MP sensor.
We probably should have used Global ROM as base for Mi 10T Pro from the start, even if that means no Beta ROMs and slower Stable ROM releases, because right now it delays the release for Redmi K30S Pro/Mi 10T, for which the China ROM was intended.
We don't know what to do yet about this Stable. Might wait for a Global Stable MIUI 13 to see if camera has been updated there...