fix(ngap): SD value parsing
- some changes for correct SD parsing
@tien-thinh.nguyen also cherry-picked your commit for fixing SD comparison
The codebase for this oai/cn5g repository has officially moved to GitHub. Read the full migration announcement and details (https://github.com/orgs/openairinterface/discussions/3).
@tien-thinh.nguyen also cherry-picked your commit for fixing SD comparison