Fix color management issue on windows

Since 2.7 cycle there seems to be bug causing wrong profile used on secondary monitors. The issue is however very trivial, the usage of incorrect GetDC() function is the culprit.
Inspired by: https://discuss.pixls.us/t/darktable-windows-insider-program-11-2-25/53891/2

Author: git-db-usr

src/common/colorspaces.c

@@ -37,6 +37,11 @@
 #include "colord-gtk.h"
 #endif
 
+#ifdef _WIN32
+#include <dwmapi.h>
+#include <gdk/gdkwin32.h>
+#endif
+
 #if 0
 #include <ApplicationServices/ApplicationServices.h>
 #include <Carbon/Carbon.h>
@@ -2009,7 +2014,19 @@ void dt_colorspaces_set_display_profile
   profile_source = g_strdup("osx color profile api");
 #endif
 #elif defined G_OS_WIN32
-  HDC hdc = GetDC(NULL);
+
+  //HDC hdc = GetDC(NULL);
+  GtkWidget *widget = (profile_type == DT_COLORSPACE_DISPLAY2)
+      ? darktable.develop->second_wnd
+      : dt_ui_center(darktable.gui->ui);
+  GdkWindow *window = gtk_widget_get_window(widget);
+  HWND hwnd = (HWND)gdk_win32_window_get_handle(window);  // get window handle
+  HMONITOR hMonitor = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST); // get monitor handle
+  if(!hMonitor){  return;} //TODO log error
+  MONITORINFOEX monitorInfo;
+  monitorInfo.cbSize = sizeof(MONITORINFOEX);
+  if(!GetMonitorInfoW(hMonitor,(LPMONITORINFO) &monitorInfo)) { return;} //get monitor info , TODO log error
+  HDC hdc = CreateIC(L"MONITOR",monitorInfo.szDevice,NULL,NULL); // get device-info context of the monitor
   if(hdc != NULL)
   {
     DWORD len = 0;
@@ -2028,7 +2045,7 @@ void dt_colorspaces_set_display_profile
       }
     }
     g_free(wpath);
-    ReleaseDC(NULL, hdc);
+    DeleteDC(hdc);
   }
   profile_source = g_strdup("windows color profile api");
 #endif