feat: fully implement Player#sendFakeBlock

[Timongcraft]

Overview

This PR improves the Player#sendFakeBlock implementation in Bukkit to support non structure-blocks (used by the CUI).

Description

Replaces the structure block specific implementation with a generic implementation to allow API users to send fake blocks containing NBT such as player heads, banners etc.

Submitter Checklist

• [x] Make sure you are opening from a topic branch (/feature/fix/docs/ branch (right side)) and not your main branch.
• [x] Ensure that the pull request title represents the desired changelog entry. ~~- [ ] New public fields and methods are annotated with @since TODO.~~
• [x] I read and followed the contribution guidelines.

Notes

Tested on Paper 1.21.10-105-main@1f31ee5