Add option to "asset" tag to control error raising

[SchrodingersGat]

• Closes Handeling of unavailable report assets #11590
• Adds ability to control whether asset tags should throw an error if the file does not exist

[netlify]

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

Name	Link
🔨 Latest commit	e86e8b3
🔍 Latest deploy log	https://app.netlify.com/projects/inventree-web-pui-preview/deploys/69bf76d998dbbe000842d8f1

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.24%. Comparing base (0feba9f) to head (e86e8b3).
⚠️ Report is 1 commits behind head on master.

❌ Your project status has failed because the head coverage (91.44%) is below the target coverage (92.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #11591   +/-   ##
=======================================
  Coverage   89.23%   89.24%           
=======================================
  Files         962      962           
  Lines       49703    49714   +11     
=======================================
+ Hits        44354    44365   +11     
  Misses       5349     5349           

Flag	Coverage Δ
backend	89.24% <100.00%> (+<0.01%)	⬆️

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Components	Coverage Δ
Backend Apps	89.03% <100.00%> (+<0.01%)	⬆️
Backend General	91.44% <ø> (ø)
Frontend	∅ <ø> (∅)

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