Internal function to get the array element references of the time dimension for the time based slots of a MizerSim object.
Arguments
- sim
A MizerSim object
- time_range
A vector of times. Only the range of times is relevant, i.e., all times between the smallest and largest will be selected. The time_range can be character or numeric.
- slot_name
Obsolete. Was only needed in early versions of mizer where the effort slot could have different time dimension from the other slots.