Re-add bremsstrahlung test with mothern functional code: update LoKi to ThOr functors and algorithms. Code taken from https://gitlab.cern.ch/lhcb/Moore/-/blob/e9ffed531fd31dc73d49894dfacc5ad0f9b43cf3/Hlt/Hlt2Conf/tests/options/test_bremsstrahlung.py Addresses #564 (closed) FYI @cmarinbe @mveghel @poluekt
Goes with Rec!3684 (merged), lhcb-datapkg/PRConfig!367 (merged)
Closes #564 (closed)