Draft: ATR-24438 menu alignment with AllTag and AllProbe
- switch to menu alignment groups
AllTag
andAllProbe
- change ChainMerging for chains with two signatures and two alignment groups in one of them; based on @hrussell's https://gitlab.cern.ch/hrussell/athena/-/commits/ATR24438_fix_doublemerge/ (enabled for muons and taus)