chore: Adds internal use-merge-refs util

[pan-kot]

Adds useMergeRefs util to be reused between components, board-components, chat-components, and chart-components.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.34%. Comparing base (fd512d9) to head (20213cf).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #131      +/-   ##
==========================================
+ Coverage   99.33%   99.34%   +0.01%     
==========================================
  Files          30       31       +1     
  Lines         751      763      +12     
  Branches      199      205       +6     
==========================================
+ Hits          746      758      +12     
  Misses          5        5              

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