[fix](jni) the offset in map type is int64

[AshinGau]

Proposed changes

The offset in map type column is int64, but #24810 has put as int32, causing error like:

 what(): [E11] Allocator: Cannot realloc from 4096 to 140737488355328.
1. @ 0x000000000eb3d670 Allocator<false, false, false>::throw_bad_alloc(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const in .../doris/output/be/lib/doris_be
2. @ 0x000000000eb3da0a Allocator<false, false, false>::realloc_impl(void*, unsigned long, unsigned long, unsigned long) in .../doris/output/be/lib/doris_be
3. @ 0x000000000ee28301 doris::vectorized::JniConnector::_fill_column(doris::vectorized::JniConnector::TableMetaAddress&, COW<doris::vectorized::IColumn>::immutable_ptr<doris::vectorized::IColumn>&, std::shared_ptr<doris::vectorized::IDataType const>&, unsigned long) in .../doris/output/be/lib/doris_be
4. @ 0x000000000ee292f5 doris::vectorized::JniConnector::_fill_map_column(doris::vectorized::JniConnector::TableMetaAddress&, COW<doris::vectorized::IColumn>::mutable_ptr<doris::vectorized::IColumn>&, std::shared_ptr<doris::vectorized::IDataType const>&, unsigned long) in .../doris/output/be/lib/doris_be

Further comments

If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

[AshinGau]

run buildall

[morningman]

LGTM

[github-actions]

PR approved by at least one committer and no changes requested.

[github-actions]

PR approved by anyone and no changes requested.

[doris-robot]

(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 45.87 seconds
stream load tsv: 555 seconds loaded 74807831229 Bytes, about 128 MB/s
stream load json: 20 seconds loaded 2358488459 Bytes, about 112 MB/s
stream load orc: 64 seconds loaded 1101869774 Bytes, about 16 MB/s
stream load parquet: 32 seconds loaded 861443392 Bytes, about 25 MB/s
insert into select: 28.9 seconds inserted 10000000 Rows, about 346K ops/s
storage size: 17161924397 Bytes

[yiguolei]

LGTM