[C++][Parquet] Fix encoder and decoder logic to enable Parquet DB support on Big-Endian (s390x) systems #48202

Describe the enhancement requested

This is the sub-issue opened which is part of #48151.

This enhancement is opened to track the fixes for "encoder" & "decoder" logic to enable support on Big-endian (s390x) platforms.
Encoders and Decoders are the main part of most of the parquet & arrow-parquet testcases and needs fix for variaous encoding & decoding types.

The fix has been tested on s390x platforms and it works fine. The fix has also been tested on x86 arch, just to make sure its no new regression introduced with this fix.

"take"

Component(s)

Parquet