Fix about window icon size

Author: OctoFlareDev

scripts/draw_window_about/draw_window_about.gml

@@ -9,7 +9,9 @@ function draw_window_about() {
 	draw_theme_font(font_main)
 	if (language != 1) draw_text_dynamic(x1 + 8, y1 + 8, "About")
 	else draw_text_dynamic(x1 + 8, y1 + 8, "关于")
-	draw_sprite_ext(spr_logo, window_icon, x1 + 80, y1 + 50, 1, 1, 0, c_white, draw_get_alpha())
+	var icon_index = window_icon
+	if (window_icon && fdark) icon_index++
+	draw_sprite_ext(spr_logo, icon_index, x1 + 80, y1 + 50, 1, 1, 0, c_white, draw_get_alpha())
 	draw_set_halign(fa_center)
 	draw_theme_font(font_info_med_bold)
 	draw_text_dynamic(x1 + 150, y1 + 200, "Note Block Studio")