Simplify CarPlay Entities update logic

[bgoncal]

Summary

Screenshots

Link to pull request in Documentation repository

Documentation: home-assistant/companion.home-assistant#

Any other notes

[codecov]

Codecov Report

Attention: 180 lines in your changes are missing coverage. Please review.

Comparison is base (ca0313d) 27.54% compared to head (0f381ee) 27.47%.
Report is 1 commits behind head on master.

Files	Patch %	Lines
...cle/Templates/Actions/CarPlayActionsTemplate.swift	0.00%	34 Missing ⚠️
...plates/Entities/CarPlayEntitiesListViewModel.swift	0.00%	32 Missing ⚠️
...Templates/Domains/CarPlayDomainsListTemplate.swift	0.00%	23 Missing ⚠️
...es/App/Settings/SettingsDetailViewController.swift	0.00%	18 Missing ⚠️
...cle/Templates/Entities/CarPlayEntityListItem.swift	0.00%	18 Missing ⚠️
...le/Templates/Actions/CarPlayActionsViewModel.swift	0.00%	17 Missing ⚠️
...ources/App/Notifications/NotificationManager.swift	0.00%	16 Missing ⚠️
...mplates/Entities/CarPlayEntitiesListTemplate.swift	0.00%	8 Missing ⚠️
Sources/App/Settings/SettingsRootDataSource.swift	0.00%	4 Missing ⚠️
...emplates/Domains/CarPlayDomainsListViewModel.swift	0.00%	4 Missing ⚠️
... and 3 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2527      +/-   ##
==========================================
- Coverage   27.54%   27.47%   -0.07%     
==========================================
  Files         308      309       +1     
  Lines       31419    31497      +78     
==========================================
  Hits         8655     8655              
- Misses      22764    22842      +78     

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