Skip empty JSON-LD scripts by trimming and skipping empty input

[burovytskyi]

Skipping empty JSON-LD scripts prevents parsing issues with blank data.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.62%. Comparing base (2fd175e) to head (f02cf23).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #240      +/-   ##
==========================================
+ Coverage   89.58%   89.62%   +0.03%     
==========================================
  Files          13       13              
  Lines         634      636       +2     
  Branches      137      138       +1     
==========================================
+ Hits          568      570       +2     
  Misses         54       54              
  Partials       12       12              

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[Gallaecio]

Please, run pre-commit run --all-files, and consider adding a test for this change.

[Gallaecio]

Thanks!