Store last editor and verified_by on teacher model

[cycomachead]

• Refactor create/update in teachers controlller
• Refactor teacher#update to simplify setting needs review status
• Further simplify the teachers_controller update
• delint
• Add migration to add user last edited attrs to teacher model
• Run migration to add new attributes to teacher
• Get last_editor id saving / working correctly.
• Save verified by when updating teacher verification
• track verified_by and fix typo
• fixup duplicate render on #create

[codecov]

Codecov Report

Attention: Patch coverage is 89.83051% with 6 lines in your changes missing coverage. Please review.

Project coverage is 70.17%. Comparing base (0760500) to head (167885c).

Files with missing lines	Patch %	Lines
app/controllers/teachers_controller.rb	76.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #341      +/-   ##
==========================================
- Coverage   70.20%   70.17%   -0.03%     
==========================================
  Files          28       29       +1     
  Lines        1000     1026      +26     
==========================================
+ Hits          702      720      +18     
- Misses        298      306       +8     

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