Fix sample jamming not working if the pattern editor was hidden

Fix corrupt graphics in extended pattern mode

Updated the Keybindings help text to reflect the extra keybindings

More MIDI fixes (ugh)

MIDI init/close refactor (+ disable on WinXP, buggy)

Windows/macOS: Update SDL to v2.30.2

Update ft2_mouse.c

Update ft2_mouse.c

Cleanup

More fullscreen fixes