LibWeb: Give SVG geometry elements a position

This makes the selected-in-the-inspector outline appear in the right
place. We take the stroke-width into account when producing the
bounding box, which makes the fit nice and snug. :^)

Userland/Libraries/LibWeb/Layout/SVGSVGBox.cpp

@@ -19,7 +19,7 @@ void SVGSVGBox::before_children_paint(PaintContext& context, PaintPhase phase)
         return;
 
     if (!context.has_svg_context())
-        context.set_svg_context(SVGContext());
+        context.set_svg_context(SVGContext(absolute_rect()));
 
     SVGGraphicsBox::before_children_paint(context, phase);
 }