fix: emoji display

src/common/polyfills.js

@@ -0,0 +1,18 @@
+// scrollIntoViewIfNeeded
+const isSupported = "scrollIntoViewIfNeeded" in Element.prototype;
+if (!isSupported) {
+  Element.prototype.scrollIntoViewIfNeeded = function (centerIfNeeded = true) {
+    const el = this;
+    new IntersectionObserver(function ([entry]) {
+      const ratio = entry.intersectionRatio;
+      if (ratio < 1) {
+        let place = ratio <= 0 && centerIfNeeded ? "center" : "nearest";
+        el.scrollIntoView({
+          block: place,
+          inline: place
+        });
+      }
+      this.disconnect();
+    }).observe(this);
+  };
+}