Support NumLock in SDL key mapping function
Support NumLock in SDL key mapping function

In order to properly support the behaviour of NumLock that is in line
with user expectations, check the state of NumLock when unmapping SDL's
scancodes and return the appropriate alternative keys for keypad numbers
and the comma key when NumLock is off.

smoogipooo/osu-framework,ppy/osu-framework,smoogipooo/osu-framework,ppy/osu-framework,ZLima12/osu-framework,peppy/osu-framework,peppy/osu-framework,peppy/osu-framework,ppy/osu-framework,ZLima12/osu-framework