Datatables redesign client side cache mechanism

[thomas-topway-it]

• removes parameter defer-each (set default limit to 100 and retrieve all rows until the limit both on page load and via Ajax)
• redesign client-side cache mechanism to correctly handle non-subsequent pages and to take advantage from the retrieved rows against table page length

(test further before merging)

[codecov]

Codecov Report

Attention: Patch coverage is 27.27273% with 8 lines in your changes missing coverage. Please review.

Project coverage is 45.52%. Comparing base (b40de8d) to head (425581d).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
formats/datatables/Api.php	0.00%	7 Missing ⚠️
formats/datatables/Hooks.php	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #904   +/-   ##
=========================================
  Coverage     45.51%   45.52%           
+ Complexity     2320     2319    -1     
=========================================
  Files            80       80           
  Lines          9043     9042    -1     
=========================================
  Hits           4116     4116           
+ Misses         4927     4926    -1     

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