fix(ux): remove reference to DatasetQuery

[shcheklein]

Minor messages cleanup

[cloudflare-workers-and-pages]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.63%. Comparing base (ed98e4b) to head (cf0dfbb).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #104      +/-   ##
==========================================
+ Coverage   85.62%   85.63%   +0.01%     
==========================================
  Files          93       93              
  Lines        9459     9459              
  Branches     1887     1887              
==========================================
+ Hits         8099     8100       +1     
+ Misses       1031     1030       -1     
  Partials      329      329              

Flag	Coverage Δ
datachain	85.56% <ø> (+0.01%)	⬆️

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