feat: Move calling order around to enable navigation cancellation

Co-authored-by: Copilot <[email protected]>

Author: webJose

src/lib/Link/Link.svelte

@@ -103,10 +103,11 @@
 	);
 
 	function handleClick(event: MouseEvent & { currentTarget: EventTarget & HTMLAnchorElement }) {
+		incomingOnclick?.(event);
+		if (event.defaultPrevented) return;
 		event.preventDefault();
 		const newState = calculateState(resolvedHash, typeof state === 'function' ? state() : state);
 		location.goTo(calcHref, { state: newState, replace: calcReplace });
-		incomingOnclick?.(event);
 	}
 
 	function styleString() {