COMP: Fix order of find_packages
COMP: Fix order of find_packages

When find_package(SlicerExecutionModel) preceeds find_package(ITK),
then the component list for ITK_INCLUDE_LIST gets truncated (to only
the components that SlicerExecutionModel needs).




NIRALUser/DTIPrep,NIRALUser/DTIPrep,juanprietob/DTIPrep,retfurger/alpha,retfurger/alpha,retfurger/alpha,juanprietob/DTIPrep