Add back the construction of the `KeyBindingStore`
Add back the construction of the `KeyBindingStore`

This reverts commit 21b6adbf791a213c581aafddcd12a3da3d2ac19f.

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