Fix emoji-mart crashing web UI on search by reverting the upgrade to 2.10.0 (#10413)

Fix #10315

This reverts commit db06b25376.

package.json

@@ -85,7 +85,7 @@
     "cssnano": "^4.1.10",
     "detect-passive-events": "^1.0.2",
     "dotenv": "^6.2.0",
-    "emoji-mart": "^2.10.0",
+    "emoji-mart": "Gargron/emoji-mart#build",
     "es6-symbol": "^3.1.1",
     "escape-html": "^1.0.3",
     "exif-js": "^2.3.0",