Avoid deprecated CompoundTag in API

[SirYwell]

Overview

Description

CompoundTag is deprecated and its implementation is now backed by LinCompoundTag. This causes significant overhead when access its data due to the needed transformation/copy.

This PR aims to address spots where CompoundTag is used in FAWE api, as well as some uses that can benefit from the reduced overhead. There is more to do to get CompoundTag fully out of FAWE, but more changes can be addressed later.

Submitter Checklist

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

[dordsor21]

Was moving to jetbrains annotations from javax done on purpose? I believe we're relatively consistent for the latter

[NotMyFault]

Was moving to jetbrains annotations from javax done on purpose? I believe we're relatively consistent for the latter

JavaX is superseded by Jakarta. A migration away from JavaX is a good choice, whether it's its successor or a replacement.

[dordsor21]

Was moving to jetbrains annotations from javax done on purpose? I believe we're relatively consistent for the latter

JavaX is superseded by Jakarta. A migration away from JavaX is a good choice, whether it's its successor or a replacement.

Should probably make a decision and move all of them at once imo

[SirYwell]

Was moving to jetbrains annotations from javax done on purpose? I believe we're relatively consistent for the latter

No, it's mostly because IntelliJ likes to use its annotations by default. I switched to javax for now, but we might want to consider switching to jspecify or checkerframework in future.

[github-actions]

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