[T/CT] Extended decay chain test (reference results)

...ransport/DecayChain/1d_decay_chain_OS_ts_0_t_0.000000.vtu

...hain/1d_decay_chain_OS_ts_1000_t_3153600000000.000000.vtu

...yChain/1d_decay_chain_OS_ts_100_t_315360000000.000000.vtu

...cayChain/1d_decay_chain_OS_ts_10_t_31536000000.000000.vtu

...alImplicitApproach/1d_decay_chain_GIA_ts_0_t_0.000000.vtu

...ach/1d_decay_chain_GIA_ts_1000_t_3153600000000.000000.vtu

...roach/1d_decay_chain_GIA_ts_100_t_315360000000.000000.vtu

...pproach/1d_decay_chain_GIA_ts_10_t_31536000000.000000.vtu

...pproach/varying_dt/1d_decay_chain_GIA_ts_0_t_0.000000.vtu

..._dt/1d_decay_chain_GIA_ts_1009_t_3153600000000.000000.vtu

...ng_dt/1d_decay_chain_GIA_ts_109_t_315360000000.000000.vtu

...rying_dt/1d_decay_chain_GIA_ts_10_t_3153600000.000000.vtu

...ying_dt/1d_decay_chain_GIA_ts_19_t_31536000000.000000.vtu