Merge pull request #56655 from aaSharma14/wip-65287-quincy

quincy: mgr/dashboard: replace piechart plugin charts with native pie chart panel

Reviewed-by: Nizamudeen A <nia@redhat.com>

diff --cc monitoring/ceph-mixin/dashboards/osd.libsonnet
Simple merge

diff --cc monitoring/ceph-mixin/dashboards/utils.libsonnet
Simple merge

diff --cc monitoring/ceph-mixin/dashboards_out/osds-overview.json
Simple merge