foldersFromFilesStructure was set to false, which caused Grafana's
provisioning provider to ignore the subdirectory structure created by
the sidecar's folderAnnotation feature. All dashboards ended up in the
root "Dashboards" folder despite ConfigMaps having the correct
grafana_folder annotation.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>