Charter/Editor additions and fixes (#793)

* 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

source/funkin/options/Options.hx

@@ -84,6 +84,7 @@ class Options
 	public static var charterMetronomeEnabled:Bool = false;
 	public static var charterShowSections:Bool = true;
 	public static var charterShowBeats:Bool = true;
+	public static var charterShowCameraHighlights:Bool = true;
 	public static var charterEnablePlaytestScripts:Bool = true;
 	public static var charterRainbowWaveforms:Bool = false;
 	public static var charterLowDetailWaveforms:Bool = false;

source/funkin/options/categories/GameplayOptions.hx

@@ -4,7 +4,7 @@ import flixel.util.FlxTimer;
 import funkin.backend.system.Conductor;
 
 class GameplayOptions extends TreeMenuScreen {
-	var __metronome = FlxG.sound.load(Paths.sound('editors/charter/metronome'));
+	var __metronome = FlxG.sound.load(Paths.sound(Flags.DEFAULT_CHARTER_METRONOME_SOUND));
 	var offsetSetting:NumOption;
 
 	public function new() {