consistent source format: replace '}else{' with '} else {'

src/KOKKOS/fix_langevin_kokkos.cpp

src/USER-FEP/pair_morse_soft.cpp

src/USER-LB/fix_lb_fluid.cpp

src/USER-LB/fix_lb_momentum.cpp

src/USER-LB/fix_lb_pc.cpp

src/USER-LB/fix_lb_rigid_pc_sphere.cpp

src/USER-MANIFOLD/fix_nve_manifold_rattle.cpp

src/USER-MANIFOLD/fix_nvt_manifold_rattle.cpp

src/USER-MANIFOLD/manifold_cylinder_dent.cpp

src/USER-MANIFOLD/manifold_gaussian_bump.cpp

src/USER-MANIFOLD/manifold_spine.cpp

src/USER-MANIFOLD/manifold_thylakoid.cpp