Small Fix + Test

Test/Usage example:

		$this->getShootmaniaScores()->setCallable(function(OnScoresStructure $scores){
			$scores->getUsageInformation();
		});

core/Script/ModeScriptEventManager.php

@@ -3,6 +3,7 @@
 namespace ManiaControl\Script;
 
 use ManiaControl\Callbacks\Callbacks;
+use ManiaControl\Callbacks\Structures\ShootMania\OnScoresStructure;
 use ManiaControl\General\UsageInformationAble;
 use ManiaControl\General\UsageInformationTrait;
 use ManiaControl\ManiaControl;