### Godot version

v4.2.beta.custom_build [a574c0296]

### System information

linux

### Issue description

Folder colors don't show up in file dialogs: when saving a scene, etc.

### Steps to reproduce

1. color a folder
2. create and open the save scene dialog and navigate to the colored folder
3. notice it's not shown its color in the file dialog

### Minimal reproduction project

any
Ref<Texture2D> parent_folder;
		Ref<Texture2D> forward_folder;
		Ref<Texture2D> back_folder;
		Ref<Texture2D> reload;
		Ref<Texture2D> toggle_hidden;
		Ref<Texture2D> favorite;
		Ref<Texture2D> mode_thumbnails;
		Ref<Texture2D> mode_list;
		Ref<Texture2D> favorites_up;
		Ref<Texture2D> favorites_down;
		Ref<Texture2D> folder;
		Color folder_icon_color;
		Ref<Texture2D> action_copy;
		Ref<Texture2D> action_delete;
		Ref<Texture2D> filesystem;
		Ref<Texture2D> folder_medium_thumbnail;
		Ref<Texture2D> file_medium_thumbnail;
		Ref<Texture2D> folder_big_thumbnail;
		Ref<Texture2D> file_big_thumbnail;
		Ref<Texture2D> progress[8]{};
	} theme_cache;
	void update_dir();
	void update_file_name();
	void update_file_list();
	void update_filters();
	void _focus_file_text();
	void _update_favorites();
	void _favorite_pressed();
	void _favorite_selected(int p_idx);
	void _favorite_move_up();