refactor: Refactor OpenGL backend to use OpenGLEnums

Use centralized OpenGLEnums.h for enum conversion:
- Remove local ToGL* functions from OpenGLCommandList
- Replace with ToOpenGL() and ToOpenGLClearBuffer() from OpenGLEnums
- Simplify OpenGLTexture, OpenGLBuffer, OpenGLSampler, etc.

engine/src/RHI/OpenGL/OpenGLDevice.cpp

@@ -353,7 +353,7 @@ RHICommandQueue* OpenGLDevice::CreateCommandQueue(const CommandQueueDesc& desc)
     return queue;
 }
 
-RHIShader* OpenGLDevice::CompileShader(const ShaderCompileDesc& desc) {
+RHIShader* OpenGLDevice::CreateShader(const ShaderCompileDesc& desc) {
     auto* shader = new OpenGLShader();
     
     if (desc.sourceLanguage == ShaderLanguage::GLSL && !desc.source.empty()) {