Content-manager: handle complex component nesting in the UI

[jhoward1994]

What does it do?

Fixes a bug in content-manager/components/EditViewDataManagerProvider/reducer.js that was causing the UI to error with deeply nest content structures

How to test it?

• Through new test added
• Follow system setup in Admin UI errors on deeply nested components with relation #15038 and test through the Admin UI

Related issue(s)/PR(s)

fixes #15038

[codecov]

Codecov Report

Base: 59.90% // Head: 59.94% // Increases project coverage by +0.03% 🎉

Coverage data is based on head (26c083a) compared to base (1ea8e0c).
Patch coverage: 83.33% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #15176      +/-   ##
==========================================
+ Coverage   59.90%   59.94%   +0.03%     
==========================================
  Files        1348     1350       +2     
  Lines       32809    32839      +30     
  Branches     6259     6265       +6     
==========================================
+ Hits        19655    19686      +31     
+ Misses      11300    11299       -1     
  Partials     1854     1854              

Flag	Coverage Δ
back	50.14% <ø> (+0.05%)	⬆️
front	64.40% <83.33%> (+0.03%)	⬆️
unit_back	50.14% <ø> (+0.05%)	⬆️
unit_front	64.40% <83.33%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...nt-manager/components/RepeatableComponent/index.js	33.76% <0.00%> (+0.43%)	⬆️
.../components/EditViewDataManagerProvider/reducer.js	97.38% <100.00%> (+0.05%)	⬆️
packages/core/admin/admin/src/utils/index.js	100.00% <0.00%> (ø)
packages/core/admin/server/services/metrics.js	100.00% <0.00%> (ø)
packages/core/upload/server/services/upload.js	28.57% <0.00%> (ø)
packages/core/upload/server/services/metrics.js	62.26% <0.00%> (ø)
packages/core/admin/admin/src/pages/App/index.js	66.66% <0.00%> (ø)
packages/plugins/i18n/server/services/metrics.js	100.00% <0.00%> (ø)
packages/core/strapi/lib/services/metrics/index.js	62.74% <0.00%> (ø)
...ackages/core/strapi/lib/services/metrics/sender.js	100.00% <0.00%> (ø)
... and 5 more

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