Optimizations

[ItsNature]

Overview

Description:
Reduces overhead in frequently called code by avoiding redundant allocations and computation. No behavioral changes.

Changes:

• EventBus#post: lazily allocate the throwables list.
• Packet broadcasting: pack/serialize each message once per broadcast instead of once per recipient.
• Option#getKey: cache the joined key instead of recomputing it per call.
• ApolloWorld#getPlayers, Apollo#getRecipientsFrom, TeamModuleImpl, NametagModuleImpl: streams -> loops.
• NetworkOptions#sendOption(s): build the message once per broadcast.

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Review Request Checklist

• Your code follows the style guidelines of this project.
• I have performed a self-review of my code.
• I have tested this change myself. (If applicable)
• I have made corresponding changes to the documentation. (If applicable)
• The branch name follows the projects naming conventions. (e.g. feature/add-module & bugfix/fix-issue)

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