logging exporter don't see metric examplar

[oliver-zhang]

Describe the bug
I can see mertric exemplars via otel sdk logging exporter, but i don’t see exemplars via collector logger exporter,

Steps to reproduce
Using java auto instrumentation, set otel.metrics.exporter=otlp and otel.exporter.otlp.metrics.endpoint=http://otel-col:4317

What did you expect to see?
I want to see metric exemplar from logging exporter

What did you see instead?
I don't see metric examplar

What version did you use?
Version: (e.g., v0.4.0, 1eb551b, etc)

What config did you use?
service：
pipelines:
metrics:
receivers: otlp
processors: []
exporters: logging

[mx-psi]

Thanks for the report! I believe this is a duplicate of #7912, can you upvote that issue instead?