Add Condition Filtering to Fast Reduction

Peter Sherwood requested to merge peter/athena:master-22533-1 into master

Jet Hypo. This MR allows leaf nodes in the the FastReduction Condition tree to have differing capacities. Condition dependent filtering (passing a subset of the original jet collection to a condition) is introduced.

HT chains are now run in FastReduction.

ATR-22533

@bossio @valente @khoo @peter

Merge request reports