NR UE SIB1 free fix
!2898 (merged) freed SIB1 and its content still supposed to be used in RRC after the free. This MR fixes the regression (also avoiding the memory leak in principle)
!2898 (merged) freed SIB1 and its content still supposed to be used in RRC after the free. This MR fixes the regression (also avoiding the memory leak in principle)