Update share_btn.py

share_btn.py

@@ -38,7 +38,7 @@ share_js = """async () => {
             const res = await fetch(imgEl.src);
             const blob = await res.blob();
             const imgId = Date.now() % 200;
-            const fileName = `diffuse-the-rest-${{imgId}}.jpg`;
+            const fileName = `semantic-palette-xl-${{imgId}}.jpg`;
             return new File([blob], fileName, { type: 'image/jpeg' });
         })
     );