* camera highlights again
* option to mute all hitsounds
* context menus inside context menus and wip sliders in context menu
* wip volume slider stuff
* strumline preview fix with resizable editors
* more slider stuff
* editor sfx option should now actually work for everything
* fixed strumline vocals volume, fixed note type option keybinds and moved bookmarks and note types into submenus
* fix for saving difficulty specific meta json
* some extra misc changes
fixed camera highlights not updating when zooming in/out, optimized some of the highlight draw code so it doesn't do a full loop, and added the note scale flag into the strumline preview
* fix compiling after merge
