feat: Composite plugin loading

[mattrunyon]

Fixes #1586

[codecov]

Codecov Report

Attention: 15 lines in your changes are missing coverage. Please review.

Comparison is base (94cc82c) 46.65% compared to head (d3b2860) 46.64%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1587      +/-   ##
==========================================
- Coverage   46.65%   46.64%   -0.01%     
==========================================
  Files         575      575              
  Lines       36189    36200      +11     
  Branches     9063     9066       +3     
==========================================
+ Hits        16883    16886       +3     
- Misses      19254    19262       +8     
  Partials       52       52              

Flag	Coverage Δ
unit	46.64% <21.05%> (-0.01%)	⬇️

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Files	Coverage Δ
...ages/app-utils/src/components/PluginsBootstrap.tsx	82.60% <57.14%> (-11.51%)	⬇️
packages/app-utils/src/plugins/PluginUtils.tsx	37.50% <0.00%> (-2.50%)	⬇️

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[mattrunyon]

Closing as it's not a current priority and this PR is old. Can always revive it if needed since it's a relatively small change