chore: edits to batch OCR SAS custom step. Add PaddleOCR to OCR engine options. Add MS OCR model name (available when Microsoft is selected as the OCR engine)Add MS OCR model name (available when Microsoft is selected as the OCR engine). Remove optional setting to maintain directory structure.

Signed-off-by: Corey Kozak <corey.kozak@sas.com>

Author: cokoza