Fix part SalesOrder table

[SchrodingersGat]

• Show line item quantity, not number of lines
• Implement additional API filtering
• Updated UI table

[netlify]

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

Name	Link
🔨 Latest commit	b4574cc
🔍 Latest deploy log	https://app.netlify.com/projects/inventree-web-pui-preview/deploys/6a65e3c00c3f300008ab4985

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.87%. Comparing base (1bc7586) to head (b4574cc).

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #12469      +/-   ##
==========================================
- Coverage   86.87%   86.87%   -0.01%     
==========================================
  Files        1442     1442              
  Lines       95572    95593      +21     
  Branches    11101    11100       -1     
==========================================
+ Hits        83027    83044      +17     
- Misses      12480    12484       +4     
  Partials       65       65              

Flag	Coverage Δ
backend	91.16% <100.00%> (-0.01%)	⬇️

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Components	Coverage Δ
Backend Apps	92.67% <100.00%> (-0.01%)	⬇️
Backend General	93.53% <ø> (-0.04%)	⬇️
Frontend	79.44% <ø> (-0.01%)	⬇️

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