xAODMissingET: convert enums to ATH_BITMASK
Convert bitmask enums to ATH_BITMASK
to profit from type safety and
avoid deprecated-enum-enum-conversion
compiler warning with C++20.
Since the underlying xAOD storage is still of type bitmask_t
a few
explicit casts are unavoidable. Changing that would be a much bigger
change.
enum
types as the name is now different. All code in the athena repository is fixed but I am not sure about the impact on user analysis code
Relates to ATLJETMET-1639.
Edited by Frank Winklmeier