[chore](fe) Returns dropped partitions in GetMeta request #38069
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Cherry-pick #37196, #37326.
The CCR syncer needs to know the distribution of tables, partitions,
indexes, and replicas when synchronizing binlogs. If a partition is
deleted before the binlog synchronization is complete, the CCR syncer
cannot continue synchronizing. This PR will record the deleted
partitions and include them in the get meta response, allowing the CCR
syncer to filter out the binlogs that belong to these partitions.
The CCR syncer part PR is selectdb/ccr-syncer#117.