srsue,rrc: check present flag before parsing UCI PUSCH scaling info

srsue/src/stack/rrc_nr/rrc_nr.cc

@@ -1537,10 +1537,12 @@ bool rrc_nr::apply_sp_cell_ded_ul_pusch(const asn1::rrc_nr::pusch_cfg_s& pusch_c
           logger.warning("Option beta_offsets not of type semi_static");
           return false;
         }
+        if (pusch_cfg.uci_on_pusch_present) {
           if (make_phy_pusch_scaling(pusch_cfg.uci_on_pusch.setup(), &phy_cfg.pusch.scaling) == false) {
             logger.warning("Warning while building scaling structure");
             return false;
           }
+        }
       } else {
         logger.warning("Option beta_offsets not present");
         return false;