* Controller bugfixes in profile select, closes#8265
2 fixes for using a controller in profile select dialog.
Pressing 'B' cancels the launch of the game
Using controller to select a profile now correctly sets the index to use for the launch
* Added brackets to if statements as requested.
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
- This was added early on as a hack to protect against some concurrency issues.
- It's not clear that this serves any purpose anymore, and if it does, individual components should be fixed rather than using a global recursive mutex.
