Confirm mod version

Yes, I am using version 1.21

Describe the bug

1 - Taming a horse (only tested this) somehow triggered the completion of Tame a Giant advancement
2 - When trying to tame Pegasus, you are able to move normally unlike how normal horse taming works

Reproduction steps

1 - Hop on and tame a horse
2 - Hop on an untamed Pegasus and try to move

Screenshots

No response

Logs & crash-reports

No response

Mod version

2.1.7