fix flake model

[joseph-sentry]

the Flake model defined in shared uses the BaseModel which does not include the external_id field.

The Flake model defined in worker used the MixinBaseClass that included that field, I made a new MixinBaseClassWithNoExternalID so that there's an equivalent base class mixin for the BaseModel in shared, and changed the Flake to use that

[codecov-notifications]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

✅ All tests successful. No failed tests found.

Files	Patch %	Lines
database/base.py	85.71%	1 Missing ⚠️

@@            Coverage Diff             @@
##             main     #662      +/-   ##
==========================================
- Coverage   98.06%   98.06%   -0.01%     
==========================================
  Files         437      437              
  Lines       36885    36892       +7     
==========================================
+ Hits        36173    36179       +6     
- Misses        712      713       +1     

Flag	Coverage Δ
integration	98.06% <88.88%> (-0.01%)	⬇️
latest-uploader-overall	98.06% <88.88%> (-0.01%)	⬇️
unit	98.06% <88.88%> (-0.01%)	⬇️

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

Components	Coverage Δ
NonTestCode	95.94% <88.88%> (-0.01%)	⬇️
OutsideTasks	98.06% <88.88%> (-0.01%)	⬇️

Files	Coverage Δ
database/models/reports.py	99.46% <100.00%> (ø)
database/base.py	96.15% <85.71%> (-3.85%)	⬇️

[codecov-qa]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Project coverage is 98.06%. Comparing base (894f2b3) to head (0588366).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
database/base.py	85.71%	1 Missing ⚠️

@@            Coverage Diff             @@
##             main     #662      +/-   ##
==========================================
- Coverage   98.06%   98.06%   -0.01%     
==========================================
  Files         437      437              
  Lines       36885    36892       +7     
==========================================
+ Hits        36173    36179       +6     
- Misses        712      713       +1     

Flag	Coverage Δ
integration	98.06% <88.88%> (-0.01%)	⬇️
latest-uploader-overall	98.06% <88.88%> (-0.01%)	⬇️
unit	98.06% <88.88%> (-0.01%)	⬇️

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

Components	Coverage Δ
NonTestCode	95.94% <88.88%> (-0.01%)	⬇️
OutsideTasks	98.06% <88.88%> (-0.01%)	⬇️

Files with missing lines	Coverage Δ
database/models/reports.py	99.46% <100.00%> (ø)
database/base.py	96.15% <85.71%> (-3.85%)	⬇️

[codecov-public-qa]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Project coverage is 98.06%. Comparing base (894f2b3) to head (0588366).

✅ All tests successful. No failed tests found.

@@            Coverage Diff             @@
##             main     #662      +/-   ##
==========================================
- Coverage   98.06%   98.06%   -0.01%     
==========================================
  Files         437      437              
  Lines       36885    36892       +7     
==========================================
+ Hits        36173    36179       +6     
- Misses        712      713       +1     

Flag	Coverage Δ
integration	98.06% <88.88%> (-0.01%)	⬇️
latest-uploader-overall	98.06% <88.88%> (-0.01%)	⬇️
unit	98.06% <88.88%> (-0.01%)	⬇️

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

Components	Coverage Δ
NonTestCode	95.94% <88.88%> (-0.01%)	⬇️
OutsideTasks	98.06% <88.88%> (-0.01%)	⬇️

Files	Coverage Δ
database/models/reports.py	99.46% <100.00%> (ø)
database/base.py	96.15% <85.71%> (-3.85%)	⬇️

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Project coverage is 98.11%. Comparing base (894f2b3) to head (0588366).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
database/base.py	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #662      +/-   ##
==========================================
- Coverage   98.11%   98.11%   -0.01%     
==========================================
  Files         476      476              
  Lines       38206    38213       +7     
==========================================
+ Hits        37486    37492       +6     
- Misses        720      721       +1     

Flag	Coverage Δ
integration	98.06% <88.88%> (-0.01%)	⬇️
latest-uploader-overall	98.06% <88.88%> (-0.01%)	⬇️
unit	98.06% <88.88%> (-0.01%)	⬇️

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

Components	Coverage Δ
NonTestCode	96.04% <88.88%> (-0.01%)	⬇️
OutsideTasks	98.06% <88.88%> (-0.01%)	⬇️

Files with missing lines	Coverage Δ
database/models/reports.py	99.46% <100.00%> (ø)
database/base.py	96.15% <85.71%> (-3.85%)	⬇️

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