[T/Mechanics] Rename files.

...chanics/Burgers/cube_1e0_mfront_mod_ts_101_t_1.000000.vtu

...Mechanics/Burgers/cube_1e0_mfront_mod_ts_1_t_0.000100.vtu

...a/Mechanics/Burgers/cube_1e0_mfront_ts_101_t_1.000000.vtu

...ata/Mechanics/Burgers/cube_1e0_mfront_ts_1_t_0.000100.vtu

Tests/Data/Mechanics/Burgers/cube_1e0_ts_101_t_1.000000.vtu

Tests/Data/Mechanics/Burgers/cube_1e0_ts_1_t_0.000100.vtu

Tests/Data/Mechanics/Burgers/cube_1e3_ts_101_t_1.000000.vtu

Tests/Data/Mechanics/Burgers/cube_1e3_ts_1_t_0.000100.vtu

...anics/Ehlers/axisymmetric_sphere_pl_ts_100_t_1.000000.vtu

...s/Data/Mechanics/Ehlers/cube_1e0_dp_ts_203_t_5.100000.vtu

Tests/Data/Mechanics/Ehlers/cube_1e0_ts_101_t_2.550000.vtu

Tests/Data/Mechanics/Ehlers/cube_1e0_ts_101_t_5.100000.vtu

Tests/Data/Mechanics/Ehlers/cube_1e0_ts_203_t_5.100000.vtu

Tests/Data/Mechanics/Ehlers/cube_1e1_ts_101_t_2.550000.vtu

Tests/Data/Mechanics/Ehlers/cube_1e1_ts_203_t_5.100000.vtu

Tests/Data/Mechanics/Ehlers/cube_1e3_ts_101_t_2.550000.vtu

Tests/Data/Mechanics/Ehlers/cube_1e3_ts_101_t_5.100000.vtu

Tests/Data/Mechanics/Ehlers/cube_1e3_ts_203_t_5.100000.vtu

...onLocal/bar/coarse/out_bar_coarse_ED_ts_30_t_0.300000.vtu

...onLocal/bar/coarse/out_bar_coarse_ED_ts_60_t_0.600000.vtu