o/devicestate: remodeling with components

[andrewphelpsj]

Drafting for now just to run some spread tests.

[codecov]

Codecov Report

Attention: Patch coverage is 68.95522% with 104 lines in your changes missing coverage. Please review.

Project coverage is 78.26%. Comparing base (24a0034) to head (804f0d8).
Report is 73 commits behind head on master.

Files with missing lines	Patch %	Lines
overlord/devicestate/devicestate.go	68.19%	84 Missing and 20 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #14878      +/-   ##
==========================================
+ Coverage   78.20%   78.26%   +0.05%     
==========================================
  Files        1151     1160       +9     
  Lines      151396   152656    +1260     
==========================================
+ Hits       118402   119475    +1073     
- Misses      25662    25809     +147     
- Partials     7332     7372      +40     

Flag	Coverage Δ
unittests	78.26% <68.95%> (+0.05%)	⬆️

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