Furter rework on script hooks, simplifying required logic.

src/Battling/ScriptHandling/ScriptSource.hpp

@@ -8,7 +8,7 @@
 namespace CreatureLib::Battling{
     class ScriptSource {
     public:
-        virtual void GetActiveScripts(ScriptAggregator& aggr) = 0;
+        virtual void GetActiveScripts(ScriptAggregator& aggr) const = 0;
     };
 }