fix: Exclude scripts loaded with rel=modulepreload from snapshots (#1128)

* fix: Exclude `modulepreload` as well

We were only excluding `<link rel="preload" as="script" />` but we should include `rel="modulepreload"` as well

* Apply formatting changes

packages/rrweb-snapshot/test/html/preload.html

@@ -4,6 +4,7 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Document</title>
+    <link rel="modulepreload" href="https://example/path/to/preload.js" as="script" />
     <link rel="preload" href="https://example/path/to/preload.js" as="script" />
     <link rel="prefetch" href="https://example/path/to/prefetch.js" />
   </head>