organizeAsListOfRepl: (re)organize data of (3-dim) array as list of replicates
Description
Organize array of all data ('arrIn', long table) into list of (replicate-)arrays (of similar type/layout) based on dimension number 'byDim' of 'arrIn' (eg 2nd or 3rd dim).
Argument inspNChar defines the number of characters to consider, so if the beginning of names is the same they will be separated as list of multiple arrays.
Default will search for '_' separator or trim from end if not found in the relevant dimnames