use HEX values for SD in all APIs
- Use 6-digit HEX in all SBI interfaces
- receiving (e.g. from NRF)
- sending (towards SMF and UDM)
@tien-thinh.nguyen not yet tested E2E but it requires oai-cn5g-smf!248 (merged) and oai-cn5g-upf!37 (merged)
Edited by Stefan Spettel