[C++][C Data Interface] ImportRecordBatchReader fails with "Invalid or unsupported format string"

[Mandukhai-Alimaa]

Describe the bug, including details regarding any error messages, version, and platform.

When importing the stream into C++ as a record batch reader with ImportRecordBatchReader, it fails to import decimal32 with the error:

Failed to import record batch reader: Invalid or unsupported format string: 'd:5,2,32'

Component(s)

C++

[Mandukhai-Alimaa]

used the wrong package (https://anaconda.org/conda-forge/arrow-cpp). The official package works fine