Allow `PerformExit` to still run immediately when in a `Stopping` state
Allow `PerformExit` to still run immediately when in a `Stopping` state

peppy/osu-framework,ZLima12/osu-framework,ppy/osu-framework,smoogipooo/osu-framework,smoogipooo/osu-framework,peppy/osu-framework,peppy/osu-framework,ppy/osu-framework,ppy/osu-framework,ZLima12/osu-framework