[Subtask] Support Iceberg metadata tables

### Describe the subtask

Support Iceberg metadata tables

```
ENTRIES,
FILES,
DATA_FILES,
DELETE_FILES,
HISTORY,
METADATA_LOG_ENTRIES,
SNAPSHOTS,
REFS,
MANIFESTS,
PARTITIONS,
ALL_DATA_FILES,
ALL_DELETE_FILES,
ALL_FILES,
ALL_MANIFESTS,
ALL_ENTRIES,
POSITION_DELETES
```

### Parent issue

https://github.com/datastrato/gravitino/issues/1571

Start with the parent issue at https://github.com/apache/gravitino/issues/1571 and the listed Iceberg metadata table names. Determine the relevant implementation entry points from the parent context, then verify that support covers the complete list, including the ALL_* and delete-related tables.

Written by the indexing model from the issue text.