draft: fix UE segv if current_DL_BWP->pdsch_servingcellconfig->ext1 is NULL (as it is optional
fix UE segv if current_DL_BWP->pdsch_servingcellconfig->ext1 is NULL (as it is optional field)
fix UE segv if current_DL_BWP->pdsch_servingcellconfig->ext1 is NULL (as it is optional field)