Additional shipment helpers for order models

[SchrodingersGat]

No description provided.

[netlify]

✅ Deploy Preview for inventree-web-pui-preview canceled.

Name	Link
🔨 Latest commit	24a23e4
🔍 Latest deploy log	https://app.netlify.com/projects/inventree-web-pui-preview/deploys/69d8291e1db6600008fe290d

[codecov]

Codecov Report

❌ Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.38%. Comparing base (4b3b03e) to head (24a23e4).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #11711   +/-   ##
=======================================
  Coverage   91.38%   91.38%           
=======================================
  Files         966      966           
  Lines       50050    50056    +6     
=======================================
+ Hits        45739    45746    +7     
+ Misses       4311     4310    -1     

Flag	Coverage Δ
backend	89.27% <71.42%> (+<0.01%)	⬆️

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

Components	Coverage Δ
Backend Apps	91.73% <71.42%> (-0.01%)	⬇️
Backend General	93.41% <ø> (ø)
Frontend	∅ <ø> (∅)

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