Plugins: Fix status_source always being "plugin" in plugin request logs (#77433)
* Plugins: Fix status_source always being "plugin" in plugin logs
* add tests
* Fix TestInstrumentationMiddlewareStatusSource
(cherry picked from commit 46261de32d)
Co-authored-by: Giuseppe Guerra <giuseppe.guerra@grafana.com>
This directory contains the code for the Grafana backend.
The contributor documentation for Grafana's backend is in /contribute/backend/README.md.