[fix][meta] Fix ephemeral handling of ZK nodes and fix MockZooKeeper ephemeral and ZK stat handling#23988

lhotari merged 56 commits into

apache:masterapache/pulsar:masterfrom

lhotari:lh-fix-ephemeral-support-in-MockZooKeeperlhotari/pulsar:lh-fix-ephemeral-support-in-MockZooKeeperCopy head branch name to clipboard