LibWeb: Use the scaled font size when computing media timestamp width

We draw the text for the timestamp using the scaled font, so we must
also compute its width using the scaled font.

Userland/Libraries/LibWeb/Painting/MediaPaintable.cpp

@@ -169,14 +169,14 @@ DevicePixelRect MediaPaintable::paint_control_bar_timestamp(PaintContext& contex
     auto duration = human_readable_digital_time(round(media_element.duration()));
     auto timestamp = String::formatted("{} / {}", current_time, duration).release_value_but_fixme_should_propagate_errors();
 
-    auto timestamp_size = static_cast<DevicePixels::Type>(ceilf(context.painter().font().width(timestamp)));
+    auto const& scaled_font = layout_node().scaled_font(context);
+
+    auto timestamp_size = static_cast<DevicePixels::Type>(ceilf(scaled_font.width(timestamp)));
     if (timestamp_size > control_box_rect.width())
         return control_box_rect;
 
     auto timestamp_rect = control_box_rect;
     timestamp_rect.set_width(timestamp_size);
-
-    auto const& scaled_font = layout_node().scaled_font(context);
     context.painter().draw_text(timestamp_rect.to_type<int>(), timestamp, scaled_font, Gfx::TextAlignment::CenterLeft, Color::White);
 
     control_box_rect.take_from_left(timestamp_rect.width());