sl/adt_op_match: enhance relocObjsInMetaOps()

... to covert target specifier to TS_REGION for regions
sl/adt_op_match: relocate IDs of ambiguous objects
sl/adt_op_meta: get ready for concretization
sl/adt_op_meta: minor coding style cleanup
sl/adt_op_meta: drop ops caused by concretization