Platform: Fix cursor disappearing on Windows in some cases

src/Nazara/Platform/Win32/WindowImpl.cpp

@@ -53,6 +53,7 @@ namespace Nz
 	m_smoothScrolling(false),
 	m_scrolling(0)
 	{
+		m_cursor = static_cast<HCURSOR>(LoadImage(nullptr, IDC_ARROW, IMAGE_CURSOR, 0, 0, LR_SHARED));
 	}
 
 	bool WindowImpl::Create(const VideoMode& mode, const String& title, WindowStyleFlags style)

src/Nazara/Platform/Window.cpp

@@ -122,8 +122,6 @@ namespace Nz
 		m_impl->SetMinimumSize(-1, -1);
 		m_impl->SetVisible(true);
 
-		SetCursor(Cursor::Get(SystemCursor_Default));
-
 		if (opened)
 			m_impl->SetPosition(position.x, position.y);