Do pass Cereal_DIR to inner iMSTK build

Status Job ID Name Coverage
  External
passed cdash-buildbot

passed ghostflow-branch-check-master

failed imstk-imstkpulsedbsvr-windows-shared-debug+msvc2017

00:47:13

failed imstk-imstkpulsedbsvr-windows-shared-debug+msvc2019

00:36:55

failed imstk-imstkpulsedbsvr-windows-shared-release+msvc2017

01:15:15

failed imstk-imstkpulsedbsvr-windows-shared-release+msvc2019

00:38:04