IO TOML in step 1 bug

[JanuszBedkowski]

C:\projects\github\HDMapping\build\bin\Release\lidar_odometry_step_1.exe input_folder parameters(*.toml) output_folder
Parsing failed:
Error while parsing table header: expected ']', saw 's'
(error occurred at line 14, column 11 of 'D:\data\benchmark-ntu\hdmapping-eee_02\lio_result_0\HDMapping_params_0.99.0_2026-02-28_19-44.toml')
Parameters loaded from: D:\data\benchmark-ntu\hdmapping-eee_02\lio_result_0\HDMapping_params_0.99.0_2026-02-28_19-44.toml

[Jakubach]

Current line in TOML:
[ablation study]
containt space which is not allowed in TOMLS files. It old files it should be manually changed to [ablation_study].
PR with fix to save TOML files correctly without the space: #395

[JanuszBedkowski]

done