[Request] Add much needed functionality to the "Illegal BMS" dialogue

[produKtnz]

Simple - send output of illegal song discovery to a txt file so we can actually do something about it. I added a new event i found and wanted to play and got an illegal BMS error message. Folder is HUGE, so unless ther's that one person on the planet who can identify an illegal BMS just by title, then the rest of us have NO CHANCE at fixing the issue.

[produKtnz]

Same as #487 FYI but no resolution provided there. I poked around in sqlite and didn't see a schema for Illegal BMS, so i couldnt identify them that way either.

Stuck =|

[Catizard]

Illegal BMS hashes are hard-coded, you can write a script to find them