Parity: The Durations of Regeneration II by Totem of Undying are different

Steps to Reproduce:

1. Hold a totem of undying
2. Kill yourself in survival mode
3. Check the duration of Regeneration II

Observed Results:

•  The duration is 40 secs. 

Expected Results:

•  The duration should be 45 secs. (Based on Java Edition 1.16.2)