API 2.9.4: Fix Bundle Fullness predicate, expose playFabId in GeyserConnection

[onebeastchris]

This is a very small release primarily aimed at resolving one method introduced in version 2.9.3 (bundleFullness); and adds the playFabId to GeyserConnection. Further, this re-introduces v1 functionality which allows overriding the vanilla item model.

[Copilot]

Pull request overview

This PR targets the 2.9.4 API release by correcting the bundleFullness range-dispatch predicate behavior/signature and exposing the player’s PlayFab ID through the public GeyserConnection API, while also relaxing a custom-item vanilla model override restriction.

Changes:

• Bump version to 2.9.4-SNAPSHOT.
• Fix bundleFullness predicate threshold handling by moving to a double-based API (with a deprecated int overload).
• Expose playFabId via GeyserConnection/GeyserSession and plumb it through login/auth data; allow vanilla model override without predicates (warn instead of throw).

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
gradle.properties	Version bump to 2.9.4 snapshot.
core/src/main/java/org/geysermc/geyser/util/LoginEncryptionUtils.java	Populate AuthData with PlayFab ID from login identity claims.
core/src/main/java/org/geysermc/geyser/session/auth/BedrockClientData.java	Remove PlayFabId field from client data parsing.
core/src/main/java/org/geysermc/geyser/session/auth/AuthData.java	Extend auth record to carry playFabId.
core/src/main/java/org/geysermc/geyser/session/GeyserSession.java	Implement new GeyserConnection#playFabId() accessor.
core/src/main/java/org/geysermc/geyser/registry/populator/CustomItemRegistryPopulator.java	Warn (instead of error) when overriding vanilla model without predicates.
core/src/main/java/org/geysermc/geyser/registry/mappings/predicate/ItemRangeDispatchProperty.java	Treat single-arg range dispatch creators as double thresholds.
core/src/main/java/org/geysermc/geyser/registry/loader/ProviderRegistryLoader.java	Pass bundle_fullness threshold as double when creating predicates.
api/src/main/java/org/geysermc/geyser/api/predicate/item/RangeDispatchPredicate.java	Update BUNDLE_FULLNESS docs to reflect fullness semantics.
api/src/main/java/org/geysermc/geyser/api/predicate/item/ItemRangeDispatchPredicate.java	Deprecate int overload; add double overload for bundle fullness.
api/src/main/java/org/geysermc/geyser/api/connection/GeyserConnection.java	Add playFabId() to the public connection API.

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