If I disable the policy, I do see an entry in the logs for Chrome using reg.exe
2021-02-08 10:30:30.639 [INFO ] Importing profile archive 'Chrome.zip' (\\server1\UEMProfiles$\User1\Archives\Applications\Chrome.zip)
2021-02-08 10:30:30.645 [DEBUG] ImportRegistry::Import: Calling '"C:\Windows\System32\REG.EXE" IMPORT "C:\Users\User1\AppData\Local\Temp\FLX5054.tmp"' (RPAL: l=1 (P), r=0)
2021-02-08 10:30:34.934 [DEBUG] Read 1097 entries from profile archive (size: 9232980; compressed: 3111493; took 4290 ms; largest file: 733772 bytes; slowest import took 7 ms; registry took 140 ms)
I checked logs of other users and found that these errors do not exist with the policy enabled, which is weird. However, I delete my profile consistently during image testing, so that may have something to do with it.