make default sort nulls last true

[cnlucas]

Summary (required)

• Resolves #issue_number

(Include a summary of proposed changes and connect issue below)

Required reviewers

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Impacted areas of the application

General components of the application that this PR will affect:

Screenshots

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Related PRs

Related PRs against other branches:

branch	PR
fix/other_pr	link
feature/other_pr	link

How to test

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System architecture updates (if applicable)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.50%. Comparing base (bd53860) to head (c53292c).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6601      +/-   ##
==========================================
+ Coverage   85.48%   85.50%   +0.01%     
==========================================
  Files          99       99              
  Lines       10484    10484              
==========================================
+ Hits         8962     8964       +2     
+ Misses       1522     1520       -2     

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