Retrieve color data correctly in ListView (dotnet#13062)

We accidentally dropped the call to ColorTranslator, which properly handles alpha when converting COLORREF. COLORREF's implicit conversion does this correctly.

Fixes dotnet#13048

Author: JeremyKuhne

src/System.Windows.Forms/src/System/Windows/Forms/Controls/ListView/ListView.cs

@@ -5992,8 +5992,8 @@ private unsafe bool WmNotify(ref Message m)
                     case NMCUSTOMDRAW_DRAW_STAGE.CDDS_ITEMPREPAINT:
                         {
                             using Graphics g = nmcd->hdc.CreateGraphics();
-                            Color foreColor = Color.FromArgb((int)PInvoke.GetTextColor(nmcd->hdc).Value);
-                            Color backColor = Color.FromArgb((int)PInvoke.GetBkColor(nmcd->hdc).Value);
+                            Color foreColor = PInvoke.GetTextColor(nmcd->hdc);
+                            Color backColor = PInvoke.GetBkColor(nmcd->hdc);
                             Font font = GetListHeaderFont();
                             DrawListViewColumnHeaderEventArgs e = new(
                                 g,