Codechange: Use Rect WithX/WithY in some places.

src/transparency_gui.cpp

@@ -64,7 +64,7 @@ public:
 					if (i == WID_TT_TEXT) continue; // Loading and cost/income text has no invisibility button.
 
 					const Rect wr = this->GetWidget<NWidgetBase>(i)->GetCurrentRect().Shrink(WidgetDimensions::scaled.fullbevel);
-					DrawFrameRect(wr.left, fr.top, wr.right, fr.bottom, COLOUR_PALE_GREEN,
+					DrawFrameRect(wr.WithY(fr), COLOUR_PALE_GREEN,
 							HasBit(_invisibility_opt, i - WID_TT_BEGIN) ? FrameFlag::Lowered : FrameFlags{});
 				}
 				break;