Enable string oid type support for FFI wrapper for GIE.

[sighingnow]

What do these changes do?

Add support for int64 oid and string oid at the same time in the FFI wrapper.

Related issue number

Fixes #1265 and related to #1509

[codecov-commenter]

Codecov Report

Merging #1638 (3c7c3d7) into main (87b5613) will decrease coverage by 32.90%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##             main    #1638       +/-   ##
===========================================
- Coverage   73.18%   40.27%   -32.91%     
===========================================
  Files          89       89               
  Lines        9736     9736               
===========================================
- Hits         7125     3921     -3204     
- Misses       2611     5815     +3204     

Impacted Files	Coverage Δ
python/graphscope/tests/unittest/test_java_app.py	0.00% <0.00%> (-100.00%)	⬇️
...ython/graphscope/tests/unittest/test_cython_ast.py	0.00% <0.00%> (-100.00%)	⬇️
...ython/graphscope/tests/unittest/test_serailaize.py	0.00% <0.00%> (-100.00%)	⬇️
python/graphscope/analytical/udf/patch.py	3.47% <0.00%> (-96.53%)	⬇️
python/graphscope/tests/unittest/test_lazy.py	0.00% <0.00%> (-96.30%)	⬇️
...thon/graphscope/tests/unittest/test_scalability.py	0.00% <0.00%> (-96.16%)	⬇️
python/graphscope/tests/unittest/test_app.py	0.00% <0.00%> (-95.66%)	⬇️
...hon/graphscope/tests/unittest/test_create_graph.py	0.00% <0.00%> (-92.00%)	⬇️
python/graphscope/tests/unittest/test_graph.py	0.00% <0.00%> (-85.41%)	⬇️
python/graphscope/tests/unittest/test_context.py	0.00% <0.00%> (-81.04%)	⬇️
... and 38 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 87b5613...3c7c3d7. Read the comment docs.