getHotkeyData( namespace, action ) {
		const id = `${namespace}.${action}`;
		const { hotkeys } = this;

		return hotkeys.has( id )
		    && hotkeys.get( id ).find( hotkey => !hotkey.disabled && hotkey.code !== null );
	}
@param {string} namespace
@param {string} action
@returns {(Hotkey|undefined)}