Properly check chunks on respawn, render distance update, and validate render distance

[kralverde]

Description

This PR properly updates watched chunks on respawn and render distance updates. It also validates the render distance sent, kicking the player if it is negative.

Testing

Joined a world and:

• updated render distances
• died and respawned
  then validated chunks would load/unload and leave the cache properly.

Checklist

Things need to be done before this Pull Request can be merged.

• Code is well-formatted and adheres to project style guidelines: cargo fmt
• Code does not produce any clippy warnings: cargo clippy
• All unit tests pass: cargo test

[Snowiiii]

Looks good.
Thanks @kralverde :D