feat: add scene loading imgui testing things

tests/destrum_tests.cpp

@@ -24,7 +24,7 @@ namespace {
     public:
         explicit TestComponent(GameObject& owner) : Component(owner, "TestComponent") {}
 
-        void Update() override {}
+        void Update(float) override {}
         std::string GetTypeName() const override { return "TestComponent"; }
     };