fix: avoid preload if event default was prevented (#12887)

closes #12510

Author: teemingc

.changeset/fast-crews-smash.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+fix: avoid preload if event default was prevented for `touchstart` and `mousedown` events

packages/kit/src/runtime/client/client.js

@@ -1529,6 +1529,7 @@ function setup_preload() {
 
 	/** @param {Event} event */
 	function tap(event) {
+		if (event.defaultPrevented) return;
 		preload(/** @type {Element} */ (event.composedPath()[0]), 1);
 	}