new decorator with freeze (Copy)

# indie:lang_version = 5from indie import indicator, color, line_style, plot@indicator('My Indie 1', overlay_main_pane=False)@plot.background(    title='MyBackground',     color=color.BLUE,     outline_color=color.AQUA,    outline_style=line_style.DOTTED,    outline_width=3,    display_options=plot.BackgroundDisplayOptions(        pane=True,    ),)def Main(self):    return plot.Background(        color=color.RED,         outline_left=True,        outline_right=True,         offset=0,    )