OpenGL: Refactor integration test and enable CTest framework

- Simplify OpenGL integration test structure
- Enable CTest registration for OpenGL tests
- Refactor test fixtures and device enumeration
- Minor code cleanup and improvements

engine/src/RHI/OpenGL/OpenGLCommandList.cpp

@@ -1,7 +1,5 @@
-#define GLFW_INCLUDE_NONE
 #include "XCEngine/RHI/OpenGL/OpenGLCommandList.h"
 #include <glad/glad.h>
-#include <GLFW/glfw3.h>
 
 namespace XCEngine {
 namespace RHI {