[C++][Dataset] Provide (optional) deterministic order of batches

import pyarrow as pa
import pyarrow.parquet as pq

table = pa.table({'a': range(12)}) 
pq.write_table(table, "test_chunks.parquet", chunk_size=3) 

# reading with dataset
import pyarrow.dataset as ds
ds.dataset("test_chunks.parquet").to_table().to_pandas()

In [25]: ds.dataset("test_chunks.parquet").to_table().to_pandas()                                                                                                                                                  
Out[25]: 
     a
0    0
1    1
2    2
3    3
4    4
5    5
6    6
7    7
8    8
9    9
10  10
11  11

In [26]: ds.dataset("test_chunks.parquet").to_table().to_pandas()                                                                                                                                                  
Out[26]: 
     a
0    0
1    1
2    2
3    3
4    8
5    9
6   10
7   11
8    4
9    5
10   6
11   7