Do not paint the window with the active color

I have the sizegrip to do that, so paint active windows the same color
as inactive windows

kdecoration/breezedecoration.cpp

@@ -550,8 +550,8 @@ namespace Breeze
             painter->save();
             painter->setRenderHint(QPainter::Antialiasing, false);
             painter->setBrush( Qt::NoBrush );
-            painter->setPen( c->isActive() ?
-                c->color( ColorGroup::Active, ColorRole::TitleBar ):
+            painter->setPen( //c->isActive() ?
+                //c->color( ColorGroup::Active, ColorRole::TitleBar ):
                 c->color( ColorGroup::Inactive, ColorRole::Foreground ) );
 
             painter->drawRect( rect().adjusted( 0, 0, -1, -1 ) );