display custom note style in chart editor

source/funkin/ui/debug/charting/components/ChartEditorNoteSprite.hx

@@ -40,7 +40,8 @@ class ChartEditorNoteSprite extends FlxSprite
   /**
    * The name of the note style currently in use.
    */
-  public var noteStyle(get, never):String;
+  @:isVar
+  public var noteStyle(get, set):Null<String>;
 
   public var overrideStepTime(default, set):Null<Float> = null;
 
@@ -189,19 +190,16 @@ class ChartEditorNoteSprite extends FlxSprite
     }
   }
 
-  function get_noteStyle():String
+  function get_noteStyle():Null<String>
   {
-    if (this.parentState.currentCustomNoteKindStyle != null)
-    {
-      return this.parentState.currentCustomNoteKindStyle;
-    }
+    return this.noteStyle ?? this.parentState.currentSongNoteStyle;
+  }
 
-    if (NOTE_STYLES.contains(this.parentState.currentSongNoteStyle))
-    {
-      return this.parentState.currentSongNoteStyle;
-    }
-
-    return 'funkin';
+  function set_noteStyle(value:Null<String>):Null<String>
+  {
+    this.noteStyle = value;
+    this.playNoteAnimation();
+    return value;
   }
 
   @:nullSafety(Off)