[Bug] Heartbeat Task Slot information is not pulled when MetricBuffer is configured

[bmcqueen-tmprl]

What are you really trying to do?

Use MetricBuffer along with v1.32.0 Python SDK

Describe the bug

When MetricBuffer is configured on the Python SDK Worker, Task Slot information doesn't show up in Temporal Workers UI. When MetricBuffer is not used, Task Slot Information shows up in Temporal Workers UI.

Minimal Reproduction

https://github.com/bmcqueen-tmprl/temporal-py-heartbeat-slot-repro

Environment/Versions

Python 1.32.0 SDK