fix: use coi.js

export_presets.cfg

@@ -23,7 +23,34 @@ vram_texture_compression/for_desktop=true
 vram_texture_compression/for_mobile=false
 html/export_icon=true
 html/custom_html_shell=""
-html/head_include="<script src=\"coi-serviceworker.js\"></script>"
+html/head_include="<script>
+// sw.js
+self.addEventListener(\"fetch\", function (event) {
+  if (event.request.cache === \"only-if-cached\" && event.request.mode !== \"same-origin\") {
+    return;
+  }
+
+  event.respondWith(
+    fetch(event.request)
+      .then(function (response) {
+        const newHeaders = new Headers(response.headers);
+        newHeaders.set(\"Cross-Origin-Embedder-Policy\", \"require-corp\");
+        newHeaders.set(\"Cross-Origin-Opener-Policy\", \"same-origin\");
+
+        const moddedResponse = new Response(response.body, {
+          status: response.status,
+          statusText: response.statusText,
+          headers: newHeaders,
+        });
+
+        return moddedResponse;
+      })
+      .catch(function (e) {
+        console.error(e);
+      })
+  );
+});s
+</script>"
 html/canvas_resize_policy=2
 html/focus_canvas_on_start=true
 html/experimental_virtual_keyboard=false