Fixing the D3D12DescriptorHeap.cpp memory leak. Was creating descriptor heap every time a pipeline was bound when we only need it once per commandlist.

fixed some vibe code weird shit

JulietApp/main.cpp

@@ -173,7 +173,6 @@ void JulietApplication::Init()
                     CopyBuffer(initCmd, ConstantBuffer, TransferBuffer, 256);
                     TransitionBufferToReadable(initCmd, ConstantBuffer);
                     SubmitCommandLists(initCmd);
-                    WaitUntilGPUIsIdle(GraphicsDevice);
                 }
             }
 
@@ -284,7 +283,6 @@ void JulietApplication::Update()
     ImGui::ShowDemoWindow();
 #endif
 
-    // Debug display shapes - can be called from anywhere before engine flush
     DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 10.0f, 0.0f, 0.0f }, { 1.0f, 0.0f, 0.0f, 1.0f }, false);
     DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 0.0f, 10.0f, 0.0f }, { 0.0f, 1.0f, 0.0f, 1.0f }, true);
     DebugDisplay_DrawLine({ 0.0f, 0.0f, 0.0f }, { 0.0f, 0.0f, 10.0f }, { 0.0f, 0.0f, 1.0f, 1.0f }, true);