♻️ Use different promise polyfill

Author: AnandChowdhary

package.json

@@ -67,9 +67,9 @@
   },
   "dependencies": {
     "cropperjs": "^1.5.6",
-    "es6-promise": "^4.2.8",
     "focus-trap": "^5.1.0",
     "mitt": "^1.2.0",
+    "promise-polyfill": "^8.1.3",
     "whatwg-fetch": "^3.0.0"
   },
   "husky": {