Add context option to SuffixFinder

[jsiirola]

Fixes # .

Summary/Motivation:

PR #3295 highlighted a need that the SuffixFinder support a "context" option that defines the block (sub)hierarchy that it should use when searching for Suffixes.

Changes proposed in this PR:

• Add context= parameter to SuffixFinder
• Update scaling transform and NL writer to honor the model scope (context) when searching for Suffixes
• Remove an unused private method that could lead to the incorrect context being assumed
• Update tests

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.56%. Comparing base (123c465) to head (c810bc3).
Report is 12 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3348      +/-   ##
==========================================
- Coverage   88.56%   88.56%   -0.01%     
==========================================
  Files         877      877              
  Lines       99266    99276      +10     
==========================================
+ Hits        87919    87922       +3     
- Misses      11347    11354       +7     

Flag	Coverage Δ
linux	86.09% <100.00%> (+<0.01%)	⬆️
osx	75.76% <100.00%> (+<0.01%)	⬆️
other	86.59% <100.00%> (-0.01%)	⬇️
win	83.92% <100.00%> (-0.01%)	⬇️

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