small fix
to work in 62X
backport from 70X
Don't apply time shifting more than once
remove one extra path from the half rate menu: it was included by mistake
Merge pull request #1664 from perrotta/removeExtraPathFromHalfRateMenu

remove one extra path from the half rate menu: it was included by mistake
Merge pull request #1573 from mkirsano/pythia8int_fix1

Pythia8int fix1
Merge pull request #1616 from wmtan/ProtectAgainstMultipleOffsets62X

Prevent applying time offset multiple times