Fix: add paging by default when calling /artefacts

[imadbourouche]

• see /artefacts route is very slow ontologies_api#124

The solution is to activate the paging by default in this route

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.85%. Comparing base (a680ef1) to head (ac06a03).
Report is 16 commits behind head on development.

Additional details and impacted files

@@               Coverage Diff               @@
##           development     #192      +/-   ##
===============================================
+ Coverage        82.44%   82.85%   +0.41%     
===============================================
  Files              103      105       +2     
  Lines             6834     7034     +200     
===============================================
+ Hits              5634     5828     +194     
- Misses            1200     1206       +6     

Flag	Coverage Δ
unittests	82.85% <100.00%> (+0.41%)	⬆️

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[syphax-bouazzouni]

Code fine for me, need approval of @jonquet if having that route paginated by default is good or not.