Bouncing back on this topic, I added the following code (in Bold) to file jsonPlanning.php
(This extra code allows to handle larger projects. I needed this patch to override the limit. The main issue here is even if you use criteria filter, it won't search/fetch all the records, unless you increase $limitDisplay).
It would be desired to have a nicer implementation, whereas, unlimited when using the criteria filter. This would require rewriting some lines....

Line 295
    ksort($arrayRestrictWbs);
  }
  $limitDisplay=(Parameter::getGlobalParameter('limitDisplayPlanning')!='')?Parameter::getGlobalParameter('limitDisplayPlanning'):2000;
  // 2023-07-25/DIE - added
  if($applyFilter==true) $limitDisplay = 30000;
  //
  $limitDisplayQuery=$limitDisplay+1;