We use Clickhouse version 22.3.3.44, and met with with some wrong behaviour - 
queries "ALTER TABLE ... MODIFY COMMENT ... " does not work on ReplicatedMergeTree engine.

Bug reproduce script:
```
CREATE TABLE sandbox.test__calendar
(
    `dttm` DateTime COMMENT 'date and time',
    `timestamp` Int64 COMMENT 'event timestamp',
    `year_num` Int32 COMMENT 'year number'
)
ENGINE = ReplicatedMergeTree() PARTITION BY year_num ORDER BY timestamp
COMMENT 'Comment text for test table';

SELECT comment FROM system.tables WHERE name like 'test__calendar'; -- 1 row selected with correct comment text

ALTER TABLE sandbox.test__calendar MODIFY COMMENT 'Some new more detailed text of comment';

SELECT comment FROM system.tables WHERE name like 'test__calendar'; -- 1 row selected, but with OLD(!) comment text
```

Maybe it will be helpfull, ALTER TABLE query returns such result:
```
host            |status|error|num_hosts_remaining|num_hosts_active|
----------------+------+----+-----------------------+------------------+
10.7.179.41     |     0|    |                      1|                 0|
ak1-st-data-01  |     0|    |                      0|                 0|
```
{
    assertNotReadonly();
    if (!is_leader)
        throw Exception("DROP PART cannot be done on this replica because it is not a leader", ErrorCodes::NOT_A_LEADER);
    zkutil::ZooKeeperPtr zookeeper = getZooKeeperAndAssertNotReadonly();
    LogEntry entry;
    dropPartImpl(zookeeper, part_name, entry, detach,  true);
    waitForLogEntryToBeProcessedIfNecessary(entry, query_context);
}
void StorageReplicatedMergeTree::dropAllPartitionsImpl(const zkutil::ZooKeeperPtr & zookeeper, bool detach, ContextPtr query_context)
{
    Strings partitions = zookeeper->getChildren(fs::path(zookeeper_path) / "block_numbers");
    std::vector<LogEntryPtr> entries;
    dropAllPartsInPartitions(*zookeeper, partitions, entries, query_context, detach);
    for (const auto & entry : entries)
    {
        waitForLogEntryToBeProcessedIfNecessary(*entry, query_context);
        auto drop_range_info = MergeTreePartInfo::fromPartName(entry->new_part_name, format_version);
        cleanLastPartNode(drop_range_info.partition_id);
    }
}
void StorageReplicatedMergeTree::dropPartition(const ASTPtr & partition, bool detach, ContextPtr query_context)