fixed flickering issue. problem was, that in the camera update of the render target the window was updatet agein, what internaly starts a new frame, so made the update function only affent non IWindow calsses, for IWindow it strictly is not neccecery anyway

TSE_Core/src/BehaviourScripts/Camera.cpp

@@ -1,6 +1,7 @@
 #include "Camera.hpp"
 #include "elements/Transformable.hpp"
 #include "interfaces/IRenderer.hpp"
+#include "interfaces/IWindow.hpp"
 #include "uuid.h"
 
 TSE::Camera* TSE::Camera::mainCamera = nullptr;
@@ -212,6 +213,9 @@ void TSE::Camera::Unbind()
 }
 
 void TSE::Camera::UpdateRenderTarget()
+{
+    if (dynamic_cast<IWindow*>(rt) == nullptr)
     {
         rt->Update();
     }
+}