fix(ui): duplicate subscription nodes for each warehouse-subscribed stage

[rbreeze]

Fixes #2151

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.37%. Comparing base (9fb016e) to head (4584507).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2172      +/-   ##
==========================================
- Coverage   46.37%   46.37%   -0.01%     
==========================================
  Files         242      242              
  Lines       16744    16737       -7     
==========================================
- Hits         7765     7761       -4     
  Misses       8606     8606              
+ Partials      373      370       -3     

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