Support DecimalType in sort and take kernels

[liukun4515]

Which issue does this PR close?

Closes #1137

Rationale for this change

What changes are included in this PR?

Are there any user-facing changes?

[liukun4515]

We can fill follow-up prs to optimize decimal sort.

[codecov-commenter]

Codecov Report

Merging #1172 (a94d4eb) into master (1626b80) will increase coverage by 0.04%.
The diff coverage is 99.28%.

@@            Coverage Diff             @@
##           master    #1172      +/-   ##
==========================================
+ Coverage   82.66%   82.71%   +0.04%     
==========================================
  Files         173      173              
  Lines       50902    51042     +140     
==========================================
+ Hits        42079    42217     +138     
- Misses       8823     8825       +2     

Impacted Files	Coverage Δ
arrow/src/compute/kernels/take.rs	95.35% <97.95%> (+0.18%)	⬆️
arrow/src/compute/kernels/sort.rs	95.13% <100.00%> (+0.31%)	⬆️
parquet_derive/src/parquet_field.rs	65.98% <0.00%> (-0.46%)	⬇️
arrow/src/array/transform/mod.rs	85.56% <0.00%> (ø)
parquet/src/encodings/encoding.rs	93.71% <0.00%> (+0.19%)	⬆️

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[liukun4515]

@alamb @houqp PTAL

[alamb]

Thanks @liukun4515 looks good to me

[alamb]

This would be a great follow on task / PR for someone -- I'll file a ticket

[alamb]

#1190

[liukun4515]

thanks