TechTabelModel - Show Daily Available Time for Techs

[WeaverThree]

When you're eyeballs deep in multiple days of repair, tasks stretched over days, not sure who's time you've spent today or yesterday, it's easy to lose track of how much time people are going to have tomorrow after maintenance; this would help with that.

It's also how we already display tech time on the refit tech selector.

I think this might just be the last change to the tech list for a good while. Probably. :>

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 10.53%. Comparing base (594b93f) to head (27525bf).
Report is 43 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5112      +/-   ##
============================================
- Coverage     10.54%   10.53%   -0.01%     
- Complexity     6038     6039       +1     
============================================
  Files           955      956       +1     
  Lines        134147   134175      +28     
  Branches      19472    19475       +3     
============================================
- Hits          14143    14142       -1     
- Misses       118659   118688      +29     
  Partials       1345     1345              

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