TBTR: Show empty and full train weights in GUI, and weight ratios if enabled

src/saveload/afterload.cpp

@@ -3800,6 +3800,9 @@ bool AfterLoadGame()
 
 	AfterLoadTraceRestrict();
 	AfterLoadTemplateVehiclesUpdateImage();
+	if (SlXvIsFeaturePresent(XSLFI_TEMPLATE_REPLACEMENT, 1, 5)) {
+		AfterLoadTemplateVehiclesUpdateProperties();
+	}
 
 	InvalidateVehicleTickCaches();
 	ClearVehicleTickCaches();
@@ -3892,4 +3895,5 @@ void ReloadNewGRFData()
 	MarkWholeScreenDirty();
 	CheckTrainsLengths();
 	AfterLoadTemplateVehiclesUpdateImage();
+	AfterLoadTemplateVehiclesUpdateProperties();
 }