The 'ceph pg dump_stuck' command that looks for PGs that are stuck
inactive doesn't include the 'inactive' keyword, so it also finds
PGs that are active that it believes are stuck. This change adds
the 'inactive' keyword to the command so only inactive PGs are
considered.
Change-Id: Id276deb3e5cb8c7e30f5a55140b8dbba52a33900