Apply the default `SampleControlPoint` if not externally provided
Apply the default `SampleControlPoint` if not externally provided

This is mostly to handle tests for now, as generally this should be
provided by an external source in all other cases.

peppy/osu,smoogipoo/osu,smoogipoo/osu,NeoAdonis/osu,peppy/osu,ppy/osu,peppy/osu-new,peppy/osu,ppy/osu,NeoAdonis/osu,smoogipoo/osu,ppy/osu,NeoAdonis/osu,smoogipooo/osu