Re-introduce visible SVG overflow. Add electrification type to electrificationChange component.

Begin route 0230 (Swindon Jn - Standish Jn

src/lib/components/RouteRow.svelte

@@ -90,7 +90,7 @@ a {
 		display: flex;
 		justify-content: center;
 		align-items: center;
-		overflow: hidden;
+		overflow: visible;
 	}