Slightly darken default workspace again to be easier on the eyes

Restoring the fix for tdf#79278 and tdf#72142, which was inadvertently dropped,
but with a better color.

Change-Id: Ifa5a85e5113713d6eff706a542d475a19caa0c13

svtools/source/config/colorcfg.cxx

@@ -420,7 +420,7 @@ Color ColorConfig::GetDefaultColor(ColorConfigEntry eEntry)
     {
         COL_WHITE, // DOCCOLOR
         0xc0c0c0, // DOCBOUNDARIES
-        0xCFCFCF, // APPBACKGROUND
+        0xDFDFDE, // APPBACKGROUND
         COL_LIGHTGRAY, // OBJECTBOUNDARIES
         COL_LIGHTGRAY, // TABLEBOUNDARIES
         COL_BLACK, // FONTCOLOR

vcl/source/app/settings.cxx

@@ -716,7 +716,7 @@ void ImplStyleData::SetStandardStyles()
     maWindowTextColor           = Color( COL_BLACK );
     maDialogColor               = Color( COL_LIGHTGRAY );
     maDialogTextColor           = Color( COL_BLACK );
-    maWorkspaceColor            = Color( 0xF0, 0xF0, 0xF0 );
+    maWorkspaceColor            = Color( 0xDF, 0xDF, 0xDE );
     maMonoColor                 = Color( COL_BLACK );
     maFieldColor                = Color( COL_WHITE );
     maFieldTextColor            = Color( COL_BLACK );