Limit max droplet count to 50 (fix for 0.9.24 branch only)
This fixes the issue with insane amounts of droplets in 0.9.24.
It's temporary, the real fix is in default branch, but would be desyncing.
Fix hwengine crash when using >1 controllers
Reason: Data type mismatch for SDL_JoystickName, we wed in an index, but it expected a controller handle.
Solution: Switch to SDL_JoystickNameForIndex.